P-581 Live birth rates in women under 38 years old with AMH level < 1.2 ng/ml in in-vitro fertilization/intracytoplasmic sperm injection: arguments for care

Study question

To evaluate the clinical pregnancy and live birth rates in the first IVF/ICSI cycle in women under 38 years old with AMH level < 1.2 ng/ml.

Summary answer

Our findings argue to propose IVF for those patients.

What is known already

Many studies failed to show a predictive impact of AMH levels on the chances of pregnancy, however acceptable pregnancy rates for young women with low AMH levels were observed in IVF/ICSI. The definition of early ovarian failure is based on two classifications, Bologna and Poseidon, where an AMH level of 1.2 ng/ml appears to be the threshold for determining ovarian failure. According to La Marca's curve, this level of 1.2 ng/ml corresponds to an ovarian reserve of a 38 year-old woman.

Study design, size, duration

The primary objective of this study was to compare the live birth rates between these three groups of women. The secondary objective was to compare the rate of positive βhCG level, clinical pregnancy rate and live birth rate in women under 38 years of age during the 1st cycle of IVF+/-ICSI, regardless of whether the AMH is < 1.2 ng/ml or ≥ 1.2 ng/ml.

Participants/materials, setting, methods

We analyzed the first cycle of IVF/ICSI in women under 38 years old with AMH level < 1.2 ng/ml under long GnRH agonist or GnRH antagonist protocols. We classified the women into three groups: group A: AMH < 0.4 ng/ml; group B: AMH: 0.4 to 0.8 ng/ml; group C: AMH > 0.8 ng/ml.

Main results and the role of chance

Between January 2017 and September 2020, we retained 227 cycles for analysis (group A: 50 cycles, B: 85 cycles and C: 92 cycles). No significant difference was found between the three groups for clinical pregnancy and live birth rates, either per stimulation cycle, oocyte puncture or embryo transfer. Thus, the birth rates per embryo transfer are 23.5% in group A, 25.4% in group B and 28.1% in group C. When we compared the two groups of women under 38 years of age during the 1st cycle of IVF+/-ICSI, according to AMH levels < 1.2 ng/ml (n: 227) or ≥ 1.2 ng/ml (n: 325), the only significant difference was the positive βhCG level rate per oocyte puncture (p < 0.01). Biochemical pregnancy rates were significantly different in women with AMH < 1.2 ng/ml (40.8%) compared to those with AMH ≥ 1.2 ng/ml (16.6%; p < 0.01), but the rate of first trimester miscarriage was identical in both groups (14.6% and 6.1% respectively).

Limitations, reasons for caution

Our retrospective study and the small sample size limited the level of scientific proof. The woman and male ages were significantly different between the AMH groups, but these data lead to reduce the impact of low AMHs on pregnancy rates.

Wider implications of the findings

The young age of the women (< 38 y.o) reassures about the oocyte quality, but a low level of AMH may raise concerns about a lower quantitative oocyte yield, leading to accelerated management of the couple in IVF/ICSI.

Trial registration number

B2020CE.43

Surgical techniques for the removal of Essure® microinserts: a literature review on current practice

PURPOSE

To evaluate the different techniques for Essure^® microinserts removal and to assess the risk of fracture of the device and the intra- and post-operative complications in relation to surgical technique variants.

METHODS

Electronic search in Medline, Scopus and Embase databases using the following keywords: Essure; Essure removal; Essure surgical technique.

RESULTS

Out of 95 articles in the initial database, 17 studies were eligible for inclusion in our literature review. Several surgical techniques have been described in which the most frequent were laparoscopic salpingectomy (LS), laparoscopic cornuectomy (LC), laparoscopic or vaginal hysterectomy (LH, VH) with en-bloc salpingectomy. There were more fractures of the device with the LS procedure (6.25%) followed by the LC technique (2.77%), while there was no fracture with hysterectomy. However, peri-and post-operative complications were more severe and frequent with hysterectomy in comparison with the LC and LS procedures (respectively 8.1% Clavien Dindo grade 3 for the hysterectomy group, 1.11% for the LC procedure and 0.69% for the LS technique).

CONCLUSION

Due to the lack of standardised surgical treatment guidelines, a system of care networks for symptomatic patients with adverse effects related to Essure^® headed by specialised centres may offer a suitable and high-quality management with the appropriate removal techniques within two objectives: limiting the risk of fracture (with an en-bloc removal of the Essure^® microinserts) and avoiding intra- and post-operative complications.

[Primary dysmenorrhea and psychological resources used by adolescent girls: observational study of 247 high school girls in Finistère]

INTRODUCTION

Primary dysmenorrhea affects 60% of adolescent girls between 14 and 19 years of age and higher rates of depression and absenteeism are found in these young women. Having developed a sense of coherence (SOC) protects against depression associated with and improves the experience of primary dysmenorrhea. The aim of the study was to describe the association between primary dysmenorrhea and SOC. MéTHODS: A multicentric and cross-sectional study was performed on 247 high school girls from Finistère (France).

RESULTS

Sixty point seven per cent of high school girls suffer from primary dysmenorrhea: average VAS greater than or equal to 4 out of 10 with an improvement in pain by analgesics if severe pain (greater than 7 out of 10) to eliminate secondary dysmenorrhea (3.6% suspected). Thirty five point six per cent do not present dysmenorrhea (VAS between 0 and 3). This study shows that having a high SOC reduces menstrual pain (P=0.014). The main treatments used are not those recommended by Clinical practice guidelines.

DISCUSSION

Interventions based on Comprehensive Sexuality Education, medical consultations respecting salutogenic model would provide a better quality of life for adolescent girls by promoting the development of psycho-social skills.

Haematological parameters associated with postpartum haemorrhage after vaginal delivery: Results from a French cohort study

BACKGROUND

Immediate postpartum haemorrhage (PPH) is a major, feared and often unpredictable issue. Besides many clinical risk factors, some biological parameters could also be predictive of PPH.

OBJECTIVE

To study simple and easily accessible haematological parameters as potential risk factors for PPH after vaginal delivery.

METHODS

All women who had a vaginal delivery between April 1, 2013 and May 29, 2015 in the maternity ward of Brest University Hospital (France) were included, after oral informed consent obtained. Clinical data were collected by obstetricians or midwives during antenatal care visits, labour and delivery, and recorded by trained research assistants. Haematological variables, including immature platelet fraction, were measured from a blood sample systematically collected at the entrance in the delivery room. PPH, measured with a graduated collector bag, was defined as blood loss of at least 500 ml.

RESULTS

2742 women were included. PPH occurred in 141 (5%) women. Seven clinical factors were independently associated with PPH: pre-eclampsia (OR 5.85, 95%CI 2.02, 16.90), multiple pregnancy (OR 3.28, 95%CI 1.21, 8.91), assisted reproduction (OR 2.75, 95%CI 1.45, 5.20), antepartum bleeding (OR 2.15, 95%CI 1.24,3.73), post-term delivery (OR 1.93, 95%CI 1.17, 3.17), obesity (OR 2.95, 95%CI 1.76, 4.93) and episiotomy (OR 2.51, 95%CI 1.63, 3.74). Three haematological factors were additionally identified as independent risk factors for PPH: platelets < 150 Giga/L (OR 2.98, 95%CI 1.63, 5.46), fibrinogen < 4.5 g/l (OR 1.86, 95%CI 1.21, 2.87) and APTT ratio ≥ 1.1 (OR 2.16, 95%CI 1.31, 3.57). Immature platelet fraction was not associated with PPH.

CONCLUSION

Besides classical clinical risk factors, this study identifies simple haematological parameters as risk factors for PPH.

Progesterone levels on the human chorionic gonadotropin trigger day affect the pregnancy rates for embryos transferred at different stages of development in both general and selected IVF/ICSI populations

Background

Two meta-analyses have shown that pregnancy and birth rates are significantly higher after blastocyst transfer than after cleaved embryo transfer. Other studies have revealed that a serum progesterone level > 1.5 ng/ml on the trigger day is responsible for premature luteinization and is associated with a low pregnancy rate. The objectives of this retrospective study were to determine whether blastocyst transfer gave higher pregnancy rates than cleaved embryo transfer at day 3 in both the general and selected IVF/ICSI populations, and whether the serum progesterone level influenced the pregnancy rate.

Method

We studied IVF/ICSI cycles with GnRH antagonist - FSH/hMG protocols in a general population (n = 1210) and a selected “top cycle” population (n = 677), after blastocyst transfer on day 5 or cleaved embryo transfer on day 3. The selected couples had to meet the following criteria: female age < 35, first or second cycle, and one or two embryos transferred. We recorded predictive factors for pregnancy and calculated the progesterone to oocyte index (POI), the progesterone:estradiol ratio (P:E2 ratio), and the progesterone to follicle (> 14 mm) index (PFI).

Results

In the general population, the clinical pregnancy rate was significantly higher after blastocyst transfer (33.3%) than after cleaved embryo transfer (25.3%; p <  0.01); the same was true for the birth rate (32.1 and 22.8%, respectively, p <  0.01). The differences between blastocyst and embryo transfer groups were not significant in the selected population (respectively 35.7% vs. 35.8% for the clinical pregnancy rate, and 33.9 and 34.9% for the birth rate). The serum progesterone levels on the eve of the trigger day and on the day itself were significantly lower in the pregnant women (p <  0.01). We found a serum progesterone threshold of 0.9 ng/ml, as also reported by other researchers. The POI and the PFI appear to have predictive value for cleaved embryos transfers.

Conclusions

Blastocyst transfers were associated with higher clinical pregnancy and birth rates than cleaved embryo transfers in a general population but not in a selected population. The serum progesterone levels on the eve of the trigger day and on the day itself predicted the likelihood of pregnancy.

How to promote physical activity during pregnancy : A systematic review

INTRODUCTION

Sedentary lifestyles and physical inactivity have been shown to increase during pregnancy and are a cause of obstetric comorbidity. The objective of this study was to conduct a systematic review of interventions aiming to promote physical activity during pregnancy.

MATERIAL AND METHODS

Databases were searched from January 2008 to September 2019. Selection criteria included randomized controlled trials evaluating the efficacy of interventions promoting physical activity during pregnancy.

RESULTS

In total, 256 articles were extracted from databases. 202 articles were excluded. Finally, 15 articles were included in the study. 5633 patients were included from various populations. Six studies rated physical activity (PA) as the primary outcome. Five studies suggested promoting physical activity through individual interviews which in two studies showed an increase in PA. Three studies evaluated an intervention based on group interviews and one of these reported a significant increase in PA. Two studies evaluated the use of a Smartphone application to promote physical activity but they did not conclude that they were effective because they were designed with low statistical power.

CONCLUSION

The practice of regular PA during pregnancy reduces obstetrical comorbidity. However, interventions seem to have a low impact on the promotion of PA during pregnancy. New intervention strategies need to assessed, such as the use of mobile health interventions.

[Which ovarian stimulation to which women: The polycystic ovary syndrome (PCOS)]

Polycystic ovarian syndrome (PCOS) is a frequent pathology in the young woman, linking infertility to a metabolic disease. Initial support will include a plan (in the case of overweight or obesity) to lose at least 5 to 10% of the weight. Subsequently, clomiphene citrate is the first treatment for ovulation induction with pregnancy rates of 40 to 80% after 6 cycles. If there is resistance to clomiphene citrate, the choice will be between the ovarian drilling (50-60% of pregnancy in the year following, including the half spontaneous) or ovarian stimulation with gonadotropins. The risk of ovarian stimulation in these women is hyperstimulation and multiple pregnancies. We also discuss the place of the GnRH pulsatile administration, insulin-sensitizers, in vitro fertilization and in vitro maturation in these women. Once infertility support, these women should be long-term followed because of the neoplasic and cardiovascular risks they present.

[Pre-eclampsia prevention in 2018 in general population and in lupic women: At the dawn of a personalized medicine?]

Pre-eclampsia prevention represents a major public health issue, as this vasculo-placental disorder generates a great burden of foeto-maternal morbi-mortality. Aspirin has proved its efficacy in primary and secondary pre-eclampsia prevention, especially when it is given at 150mg per day bedtime before 15 weeks of gestation to high-risk women. In the English trial ASPRE, high-risk women were identified by an algorithm taking into account angiogenic biomarkers ascertained at the end of first trimester of pregnancy. This article focuses on physiopathological mechanisms and risk factors of pre-eclampsia and on the interest of early angiogenic biomarkers dosing during pregnancy, for the assessment of pre-eclampsia risk. Unlike Great Britain or Israel, cost-effectiveness of this algorithm in general population has not been assessed in France. Finally, systemic lupus erythematous is at high risk of vasculo-placental disorders. Although few studies of angiogenic biomarkers dosing during lupus pregnancies identified a correlation between high sFlt1 levels at the end of first trimester and subsequent onset of severe vasculo-placental disorders, with a very good negative predictive value of sFtl1. Angiogenic biomarkers ascertainment for screening of vasculo-placental disorders in pregnant women with systemic lupus erythematous could allow targeting at best women needing an aspirin treatment and a closer monitoring.

Treatment of Progressive Systemic Sclerosis by Plasma Exchange: Long-term Results in 40 Patients

The efficacy of plasma exchanges (PE) during the course of scleroderma has only been investigated for short periods. The aim of this study was to follow patients over a long enough period to observe the course of the clinical and paraclinical symptoms in the short, medium, and long term. Forty patients, 24 women and 16 men, were treated by PE and observed for 1–3, 3–12 and over 12 months. Immunological, biological and clinical course and any undesirable side effects were evaluated using a detailed questionnaire. Concomitant therapies were reported and most frequently consisted of corticosteroids, colchicine, factor XIII or vasodilators (nifedipine, captopril). The therapeutic effectiveness of PE was assessed on the basis of improvements in cutaneous, digestive, joint, muscular, lung, cardiovascular and renal lesions. Our findings confirmed the effectiveness of short-term PE on scleroderma (52% of the patients improved during the first 3 months). However, this improvement was transient (5% improvement between 3 and 12 months and only 2.5% over 12 months) and limited to the cutaneous and muscular lesions. Thus, PE cannot be recommended for the treatment of progressive systemic sclerosis.

[Prevention of seroma post-mastectomy by surgical padding technique]

INTRODUCTION

Every year, 20,000 mastectomy are realized. The most common complication of these surgical procedure is seroma, occurring in a range of 10 to 85% of the cases, which may be responsible for an increased morbidity by complications: disunity of surgical flap, infection, and delay in administrating adjuvant therapies.

OBJECTIVE

We focused on a post-mastectomy padding technique, aiming at decreasing incidence of postoperative seromas.

PATIENTS AND METHODS

We conducted a retrospective study of patients treated with mastectomy from January 2012 to March 2014 in Amiens University Hospital. Forty-two patients were included: 20 to the "padding's" group and 22 to the "control's" group.

RESULTS

Drainage flow was significantly decreased at Day 1, Day 2, Day 3 and throughout hospitalization after padding (358.5mL versus 685mL; P=0.02). Hospital stays were significantly shortened by 2 days (5.3 versus 7.3 days; P<0.05) for patients receiving padding surgery.

DISCUSSION AND CONCLUSION

Our results show a benefit in the mastectomy padding flap. However, the retrospective character of our study and its strength character imply bias and data not available such as complications in type of wound dehiscence, pain, necrosis, the period from the establishment of the adjuvant therapies and aesthetic evaluation of technique. As such, we initiated a prospective randomized multicenter study late 2013, named PRELYMCA, which should be able to answer the pending questions.

[Are patients in the postpartum period potential egg donors?]

OBJECTIVES

In France, oocyte donation program is still underdeveloped because of lack of donors and this situation entails an important wave of cross border medical tourism to different European countries mainly Spain and Greece. In 2011, the General inspection of social affairs report recommended to the biomedicine agency to promote spontaneous oocyte donation via different channels of information to develop this national program. The main objective of this study is to assess the knowledge of women after baby delivery about oocyte donation. The second objective is the identification of ways to assure better information and to promote oocyte donation.

PATIENTS AND METHODS

We conducted a prospective study with anonymous questionnaire distribution to women after delivery at obstetrics/gynecology department of the Regional University Hospital and Maternity-Children Unit "Victor-Pauchet" of Amiens, from December 2012 to January 2013.

RESULTS

Two hundred and fifty-five questionnaires were distributed and 242 of them were analyzed (94.9%). About oocyte donation knowledge: 28% did not know it was possible, 45% did not know it was legal in France, 54% did not know who was concerned and 36% know that a treatment is necessary, 9% think that oocyte donation is paid and 10% it is non-anonymous. If 67% seems to be favorable to this initiative, only 35% could accept to realize it. About information efficiency, 88% think not to receive enough information, 64% would like to have more information. The health care professional wanted to give this information is an obstetrician (51%), a midwife (37%) and a nurse (12%).

DISCUSSION AND CONCLUSION

Oocyte donation program is misoriented due to a lack of information. Obstetricians and midwives have an important educational and informative role to support oocyte donation. Specific strategy of communication and valuable targeted information are needed to motivate potential donor and achieve the objectives of the program.

[How far can we go to oocyte donation? Debates on the risks of late pregnancies]

In France, there is a decline in first-time motherhood influenced by many sociocultural factors thus leading to a reproductive age where fertility decreases and which increase the risks associated with late pregnancy. The oocyte donation in France is subject to The Bioethic law granting no support in infertility beyond past 43 years. Thus, to satisfy their need for maternity, the French use a gift abroad. Then we will report the case of a pregnancy obtained by an oocyte donation, after 42 years, which was complicated. We will discuss the importance of taking into account the risk factors before a support to ART, and the ethical issues raised by this case. After a brief review of French legislative framework governing the practice of oocyte donation, we will evoke ways to improve the coverage needs of it in France.

[Interest of selective progesterone receptor modulators in endometriosis]

The SPRM (selective progesterone receptor modulators) are agonists and/or antagonists of progesterone receptor. They are responsible for anovulation, amenorrhea and a lower prostaglandin levels, which leads to an improvement in pain and regression of lesions in endometriosis. On the endometrium, a particular aspect, the progesterone receptor modulator-associated endometrial changes (PAEC), raises additional studies to verify its harmlessness. However, due to the lack of hypoestrogenism and metabolic effects with these drugs, it is very likely that the SPRM will in the near future an important place in the treatment of endometriosis.

[Granulosa cell tumor: difficulty of diagnosis and contribution of imaging]

Granulosa tumors (GT) are rare neoplasms, difficult to diagnose in a preoperative stage. We report a set of seven patients affected by GT admitted in Amiens University Hospital, collated with a review of the literature (n=379). Our aim was to report the clinical and radiological characteristics of GT, in order to improve preoperative diagnosis. The average age of the subjects was 50.8 years old among the bibliographical search, and 37years old for the observations reported in Amiens. The principal circumstances of diagnosis were vaginal bleeding, abdominal pain and infertility. Ultrasound was the most frequently investigation, revealing GT as a large unilateral solid and cystic mass. The computed tomodensitometry (CT) allowed to precise the locoregional extension. Magnetic Resonance Imaging (MRI) appeared to be interesting to clarify lesions, showing GT as a solid mass with a cystic component or as a multicystic mass. Hormonal assays (inhibin B and/or anti-Müllerian hormone) can provide valuable assistance in diagnosis, despite their cost and lack of availability. In view of the clinical and radiological presentation of the reported and literature review cases, we suggest hormonal assays among perimenopausal women presenting with an unusual radiological aspect of an annexial mass.

[Embryo and stem cells researches: before and after the bioethics law of 2011]

The bioethics law of 2004 prohibited any research on the human embryo but authorized by way of derogation this one. The French biomedicine agency was charged to take care of the scientific, legal respect and ethics of this research, via its council of orientation. In 5 years it took more than 100 decisions on this subject. Although the discussions for the revision were important these last years, the new law of bioethics of July 7th, 2011 does not change anything with regard to research on the embryo and the stem cells.

[Pregnancy predictive factors in case of double embryo transfer during "Top Quality" attempts]

OBJECTIVES

To identify IVF±ICSI pregnancy predictive factors during "Top Quality" attempts in case of double embryo transfer.

PATIENTS AND METHODS

Three years retrospective study (2007, 2008 and 2009) on parameters and results obtained during IVF±ICSI defined as "Top Quality" attempts: first or second attempts on less than 35years old women (age inferior or equal to) with one or two "Top Quality" embryo transfer.

RESULTS

In case of double embryo transfer, pregnancy predictive factors are (OR [IC 95%], P): average endometrial thickness on start (4.6 [2.9-5.5], P<0.01), women smoking (4.2 [3.5-4.9], P<0.01), average stimulation duration (3.4 [2.7-3.9], P<0.01), average men age (2.2 [1.7-2.5], P<0.05), gonadotrophins total dose (2.1 [1.1-3.2], P<0.05) and first rank's attempts (1.6 [1.2-2.5], P<0.05).

DISCUSSION AND CONCLUSION

Age patient, rank attempts and quality embryo are criteria, which used to guide to a single embryo transfer. Our results incite us to consider other parameters, in particular men age and women smoking status.

[Embryo donation: why is there a delay in the implementation in France? A discussion on the practical, ethical and psychological dilemmas]

Since 1999, French legislation has stipulated that embryo donation is one of the possibilities afforded to couples who have a surplus of cryopreserved embryos. Donation of embryos with no foreseeable future use by the genetic couple can therefore be given to infertile couples. In practice however, since the authorization of this novel Medically Assisted Reproduction technique, embryo donation is not widely performed in France even though it is not technically difficult. Why then is there reluctance towards the implementation of embryo donation in France? The aim of this article is to analyze the grounds for the delay in the realization of embryo donation in France. Our findings propose that a myriad of factors including organizational, ethical and psychological determinants have deterred the implementation of embryo donation in France.

[Intrauterine fetal death in a woman with a gastric banding]

Obesity defined by a Body Mass Index (BMI) over 30 is a major public health problem. Its correction may require surgical treatment in case of failure of adequate medical care. A pregnancy achieved in the aftermath of this surgery must be planned and monitored as a high-risk pregnancy, in fact it can complicate. We report here the occurrence of fetal death in a patient with a gastric banding.

[Professional Practice Evaluation: How to improve quality management in procreation centers?]

OBJECTIVES

The Professional Practice Evaluation (PPE) is at the heart of quality management in procreation centers. Hereby, we report 3 years of EPP in Cytogenetics and Reproduction laboratory in Amiens University Hospital.

PATIENTS AND METHODS

This PPE is based upon prospective analysis of in vitro fertilization techniques regarding two major parameters: clinically in improving embryo transfer and biologically by determining fecundation levels. Clinical pregnancies in "Top Quality" trial is chosen as a major indicator of our results.

RESULTS

Per transfer, there is an increase of 8% for clinical pregnancies and 31% in "Top quality" trials.

DISCUSSION AND CONCLUSION

The improvement in our results allowed us to propose, in favourable conditions, single embryo transfer.

[Premature ovarian failure: which protocols?]

This review shows the results of the various studies concerning the protocols applied to the women presenting a premature ovarian failure. Will be thus analyzed the natural cycles (or semi-natural), the increase in the dose of gonadotrophins, the clomiphene citrate and the anti-aromatases, the protocols with GnRH agonists long, short, stop or microdoses, the protocols with GnRH antagonists and the adjuvant treatments: aspirin, nitric oxyde, recombinant LH recombining, growth hormone and androgens. The interest of several protocols is to collect a sufficient number of oocytes (and thus of embryos to be transferred), making it possible to obtain reasonable rates of pregnancy. However, it arises that the rates of pregnancy observed among these women depend not only on their ovarian reserve and their age, but are also function of the type of infertility, of the cycle number and the uterus.

[Septate uterus: role of hysteroscopic metroplasty]

The uterus septum is the most frequently encountered uterine malformation. The prevalence of the uterine septa in the infertile patients is estimated at approximately 1%. On the other hand, it increases to reach 3,3% among women presenting repeated fetal losses. The objective of this article is to propose an updating of the data of the literature concerning the cure of uterine septa by hysteroscopic metroplasty. Operative hysteroscopy, with its simplicity, its reproducibility and its low morbidity between the hands of a trained operator, remains the gold standard treatment of the uterine partitions. The abortive disease always constitutes the main indication of the cure of septum. In the infertile patients, a metroplasty seems to be legitimate in the following situations: women more than 35 years old; unexplained infertility, resistant to any technique of assisted reproduction; discovery of a uterine septum at the time of the coelioscopy and the diagnostic hysteroscopy realized within the framework of an assessment of infertility; patients for whom it is assumed that Assisted reproductive technique (ART) is needed; women with past obstetrical history. The complications related to the hysteroscopic metroplasty are not very frequent. However, the hysteroscopic resection of a uterine septum could expose later to the risk of uterine rupture.

[Management of an ovarian stimulation in case of a Kallmann-De Morsier syndrome. The role of LH]

We report a case of ovarian stimulation in a woman with a Kallmann-De Morsier syndrome, which resulted in a triple pregnancy and childbirth by caesarean section at 36 weeks of amenorrhea of three girls weighing from 1,950 to 2,300 g. Starting from a literature review of Kallmann-De Morsier syndrome, we discuss the role of LH during the follicular phase and the monitoring of ovarian stimulation.

TVT prépubien. Étude prospective longitudinale dans le traitement de l'incontinence urinaire d'effort de la femme : à propos de 164 cas

OBJECTIVE

A prospective open study was conducted to evaluate the prepubic (TPP) route of TVT.

PATIENTS AND METHODS

164 patients suffering from stress or mixed urinary incontinence were operated by prepubic route mainly under spinal anaesthesia. The incision is more proximal and para-uretral dissection directed more lateral to reach ischiopubic bone. The tape is introduced while keeping the needle tip close to bone to perforate between bone and ischiocavernous muscle. Then the needle is brought forwards to get its tip in vertical position and pushed under vulva to supra pubic area. A cough test is done with more pulling than in TVT since in TPP the pulling forces will act more frontally and laterally. Evaluation included detailed clinical examination with stress test, pads, endoscopic and urodynamic assessments and questionnaires in order to detect prognostic factors and to have a global treatment policy for associated low urinary tract symptoms and prolapse.

RESULTS

Mean follow-up time was 20 months (14-30). No significant intraoperative complications occurred. All patients urinated the first day. The mean postvoid residual urine was 45 ml. Objective cure rate was achieved in 135 (82.3%) patients and 7 (4.3%) patients were improved while failure was observed in 22 (13,4%) patients. From patients'point of view success and satisfaction rates were 85.4% and 86%. No significant modification of sexual activity occurred.

DISCUSSION AND CONCLUSION

TPP is a simple technique with very low risks and the preliminary results are consonant with those of other published techniques.

[Coasting and ovarian stimulation protocols in high-responder patients undergoing assisted conception]

Over-responsive patients are at risk of ovarian hyperstimulation, which may lead to severe complications. The choice of ovarian stimulation protocol or the use of a coasting (gonadotrophins suspension) with its associated risk of too strong ovarian response will be discussed herein. As for in vitro fertilization stimulation protocols, the best are probably those which use steadily increasing low doses of gonadotrophins, associated to GnRH agonists (low-dose protocols) or those which complete a double hypophyseal inhibition (estro-progestative association and GnRH agonists). GnRH antagonists may also reduce the risk of ovarian hyperstimulation, by estradiol drop. Outside the context of in vitro fertilization GnRH continuous administration or low -dose gonadotrophin stimulation are the best options. A coasting will be performed when an excess follicle response is documented. Under strict hormonal follow-up and within four days it allows achieving a high rate of pregnancy with a lower risk of hyperstimulation. Compared to other therapies of hyperstimulation syndrome, the coasting allows to avoid cycle cancellation or freezing of all embryos.

Use of GNRH antagonists in reproductive medicine

Gonadotrophin-releasing hormone (GnRH) plays a key role in the secretion of gonadotrophins, follicle-stimulating hormone (FSH) and luteinizing hormone (LH), which regulate steroidogenesis and folliculogenesis. Two GnRH antagonists, Cetrorelix and Ganirelix, deprived of histaminergic side-effects, have been introduced into ovarian stimulation protocols to prevent premature LH surges and proved their safety in clinical trials. At present, most of the published studies have not found significant differences in follicular recruitment, oocyte quality, and so on, except for a decrease in pregnancy and implantation rates in in vitro fertilization and embryo transfer (IVF-ET) cycles when the GnRH antagonist rather than the agonist was used. This decrease in pregnancy rates was in relation with a necessary learning curve of the physicians. Another possibility is the impact of the GnRH antagonist on endometrium through its GnRH receptor; this effect was cancelled after cryopreserved embryo transfers because the pregnancy rates were similar between GnRH antagonist and agonist in this case. GnRH antagonists were also interesting in poor responders and polycystic ovarian syndrome, where the agonists have not permitted to obtain the better results in IVF-ET cycles. Similarly, the GnRH antagonists could prevent the LH surge in the intrauterine insemination cycles.

[Cancer and pregnancy: obstetrical aspects]

The diagnosis of cancer in a pregnant woman raises serious problems for the obstetrician and the oncologist. Many diagnostic and therapeutic procedures cannot be implemented during gestation due to the risk of fetal complications. At the same time postponing radiotherapy or chemotherapy until after delivery would expose the patient to excessive risk. Optimal management practices remain to be fully described and few randomized studies have addressed the problem. There is the additional question of how best to preserve fertility.

Evidence of a limited contribution of feto-maternal interactions to trophoblast differentiation along the invasive pathway

Trophoblast differentiation is a key event in human placental development. During extravillous trophoblast (EVT) differentiation, stem cells from the anchoring villi detach from their basement membrane and proliferate to form aggregates called trophoblast cell columns (TCCs). They subsequently invade the decidua and differentiate into interstitial and endovascular trophoblasts. The influence of the decidua on EVT differentiation is controversial. We therefore compared the pattern of trophoblast differentiation marker expression in viable intrauterine and tubal pregnancies, as decidual cell markers (prolactin [PRL] and insulin-like growth factor binding Protein-1 [IGFBP1]) were only expressed in endometrial implantation sites. Extravillous trophoblast differentiation in anchoring villi from uterine and ectopic pregnancies exhibited a comparable phenotypical switch: alpha6 integrin subunit, E-cadherin, EGF receptor, Ki 67 and connexin 40 were localized in the proximal part of the TCC, while alpha5beta1 and alpha1 integrins, c-erb B2, hPL and HLA-G were expressed by invasive cytotrophoblasts. The cyclin-dependent kinase inhibitors p16 and p57 were mainly detected in invasive cytotrophoblasts some distance from the columns. However, the TCC was markedly longer in tubal pregnancy than in intrauterine pregnancy. These findings suggest that the decidua is not necessary to trigger EVT invasion, but that it is likely to limit the extent of the TCC and to accelerate the onset of EVT migration.

[Breast cancer and pregnancy: review of the literature]

The association of breast cancer with pregnancy is rare. It is defined as the occurrence of breast cancer during pregnancy or during the year following delivery. Patient management must be ensured by a multidisciplinary team including gynecologists, obstetricians and clinical oncologists.