Geographic Distribution of Childbirth among Adolescents in Cameroon from 2003 to 2005

The mother-to-child transmission of HIV-1 and profile of viral reservoirs in pediatric population: A systematic review with meta-analysis of the Cameroonian studies

BACKGROUND

The mother-to-child transmission of HIV-1 (MTCT) remains on the major route of HIV-transmission among pediatric populations in Africa. Though a prevention of MTCT (PMTCT) high-priority country, data on the MTCT burdens in Cameroon remains fragmented.

OBJECTIVE

We sought to assess the pooled MTCT rate, its risk-factors, and to characterize viral reservoirs of infected-children in Cameroon.

METHODS

All relevant observational cohort and cross-sectional studies conducted in Cameroon were searched from PubMed, African Journals Online, Google scholar, ScienceDirect and academic medical education databases. Heterogeneity and publication bias were respectively assessed by the I2 statistic and the Egger/funnel plot test. Meta-analysis was performed using the random effects model. MTCT rate >5% was considered as "high". This review was registered in the Prospero database, CRD42021224497.

RESULTS

We included a total of 29 studies and analyzed 46 684 children born from HIV-positive mothers. The overall rate of MTCT was 7.00% (95% CI = 6.07-8.51). According to regions, the highest burden was in Adamaoua-region (17.51% [95% CI:14.21-21.07]) with only one study found. PMTCT option-B+ resulted in about 25% reduction of MTCT (8.97% [95% CI: 8.71-9.24] without option-B+ versus 2.88% [95% CI: 5.03-9.34] with option-B+). Regarding risk-factors, MTCT was significantly associated with the absence of PMTCT-interventions both in children (OR:5.40 [95% CI: 2.58-11.27]) and mothers (OR: 3.59 [95% CI: 2.15-5.99]). Regarding viral reservoirs, a pro-viral DNA mean of 3.34±1.05 log10/mL was observed among 5/57 children and archived HIV drug resistance mutations were identified in pro-viral DNA marker among 21/79 infected-children.

CONCLUSION

In spite of the dropdown in MTCT following option-B+ implementation, MTCT remains high in Cameroon, with substantial disparities across regions. Thus, in this era of option-B+, achieving MTCT elimination requires interventions in northern-Cameroon. The variation in pro-viral load in infected-children underlines the relevance of characterizing viral reservoirs for possible infection control in tropical settings.

Prevalence of adolescent deliveries and its complications in Cameroon: a systematic review and meta-analysis

BACKGROUND

Adolescent deliveries (10-19 years) carry a high risk of adverse outcomes due to the biological and physiological immaturity of these mothers. They pose a significant health burden in Cameroon, as it is reported that a high proportion of women attending delivery services are teenagers. We therefore sought to systematically assess the prevalence of adolescent deliveries in the country and its maternal and neonatal outcomes.

METHODS

This was a systematic review of literature and a meta-analysis. We searched MEDLINE, CINAHL and Global Health online databases for all studies that reported the proportion of adolescent women who presented for delivery in health facilities in Cameroon. All observational studies published up to 10th July 2019, were included.

RESULTS

A total of 47 articles were identified by the search. After removal of duplicates and screening of the titles and abstracts, 11 eligible studies were retained with ten articles meeting the inclusion criteria. These ten studies finally retained reported on nine different cohorts with a total of 99,653 women. The pooled prevalence of adolescent deliveries from the nine cohorts in Cameroon was 14.4% (95% CI: 10.7-18.6%), the prevalence for early adolescent deliveries was 2.8% (95% CI: 0.4-7.2%), meanwhile that for late adolescent deliveries was 12.5% (95% CI: 6.7-19.8%). The prevalence of adolescent deliveries in urban areas - 13.1% (95% CI: 7.8-19.6%) was similar to that in semi-urban areas- 14.1% (95% CI: 6.7-23.5%). Adolescents were more likely than adults (> 19 years) to have low birth weight babies (OR: 1.8; 95% CI: 1.6, 2.1); babies born with asphyxia (OR: 1.7; 95% CI: 1.3, 2.1); babies born before term (OR: 1.5; 95% CI: 1.1, 1.9) and babies who die in the neonatal period (OR: 2.1; 95% CI: 1.2, 3.8).

CONCLUSION

The prevalence of adolescent deliveries in Cameroon is high. Implementation of adolescent-friendly policies is necessary to reduce the proportion of adolescents who become pregnant in Cameroon.

Prevalence and determinants of adolescent pregnancy in Africa: a systematic review and Meta-analysis

BACKGROUND

Adolescence is the period between 10 and 19 years with peculiar physical, social, psychological and reproductive health characteristics. Rates of adolescent pregnancy are increasing in developing countries, with higher occurrences of adverse maternal and perinatal outcomes. The few studies conducted on adolescent pregnancy in Africa present inconsistent and inconclusive findings on the distribution of the problems. Also, there was no meta-analysis study conducted in this area in Africa. Therefore, this systematic review and meta-analysis were conducted to estimate the prevalence and sociodemographic determinant factors of adolescent pregnancy using the available published and unpublished studies carried out in African countries. Also, subgroup analysis was conducted by different demographic, geopolitical and administrative regions.

METHODS

This study used a systematic review and meta-analysis of published and unpublished studies in Africa. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline was strictly followed. All studies in MEDLINE, PubMed, Cochrane Library, EMBASE, Google Scholar, CINAHL, and African Journals Online databases were searched using relevant search terms. Data were extracted using the Joanna Briggs Institute tool for prevalence studies. STATA 14 software was used to perform the meta-analysis. The heterogeneity and publication bias was assessed using the I2 statistics and Egger's test, respectively. Forest plots were used to present the pooled prevalence and odds ratio (OR) with 95% confidence interval (CI) of meta-analysis using the random effect model.

RESULT

This review included 52 studies, 254,350 study participants. A total of 24 countries from East, West, Central, North and Southern African sub-regions were included. The overall pooled prevalence of adolescent pregnancy in Africa was 18.8% (95%CI: 16.7, 20.9) and 19.3% (95%CI, 16.9, 21.6) in the Sub-Saharan African region. The prevalence was highest in East Africa (21.5%) and lowest in Northern Africa (9.2%). Factors associated with adolescent pregnancy include rural residence (OR: 2.04), ever married (OR: 20.67), not attending school (OR: 2.49), no maternal education (OR: 1.88), no father's education (OR: 1.65), and lack of parent to adolescent communication on sexual and reproductive health (SRH) issues (OR: 2.88).

CONCLUSIONS

Overall, nearly one-fifth of adolescents become pregnant in Africa. Several sociodemographic factors like residence, marital status, educational status of adolescents, their mother's and father's, and parent to adolescent SRH communication were associated with adolescent pregnancy. Interventions that target these factors are important in reducing adolescent pregnancy.

Factors associated with adolescent school girl's pregnancy in Kumbo East Health District North West region Cameroon

INTRODUCTION

Teenage pregnancy is a social problem in Cameroon in general and in Kumbo East in particular. This results in physical, psychological and socio-economic consequences on the teenage mother, family and the society as a whole. In spite of studies and interventions that have been and are being implemented, the prevalence of unplanned teenage pregnancy in Kumbo East Health District is still high, suggesting that more efforts are required to achieve effective preventive measures. The aim of this study was to determine factors associated with adolescent school girl's pregnancy in Kumbo East health district.

METHODS

A cross-sectional descriptive study design was used and a simple random sampling technique was used to select 293 respondents aged 15 to 19year. The district hospital antenatal clinics and the Health Centres were selected. Data was obtained from 292 participants under the age of 20 years who were willing using a questionnaire administered through face-to-face interviews.

RESULTS

The study show a high prevalence (60.75%) of teenage pregnancy in the sampled antenatal clinics of Kumbo East Health District attributable to inadequate considerations given to factors associated with school girl's pregnancy. This study has indicated that the age of teenager at first pregnancy, low contraceptive use, socio-economic status and physical violence are factors that are greatly associated with teenage pregnancy. Among the reasons contributing to the low use of contraceptives are: sexually activity, lack of knowledge, fear of side effects, including sterility, condoms disappearing in the womb and inequality of power with sexual partners. This study shows that teenagers obtain information mainly from school (53%) and relatives (20%).

CONCLUSION

The use of contraceptive alone may not reduce teenage pregnancy, however double method is very effective but addressing the impact of poverty on teenagers, empowering them on their rights and information in order to make right choices is very important.

Adolescent deliveries in urban Cameroon: a retrospective analysis of the prevalence, 6-year trend and adverse outcomes

Objective

Adolescent deliveries remain a public health problem in most developing countries. The aim of our study was to determine the prevalence, trends and outcome of adolescent deliveries in an urban setting in Cameroon. We carried out a retrospective register analysis over a 6-year period (January 2010–December 2015) at the Saint Albert Le Grand hospital Douala.

Results

The overall prevalence of adolescent deliveries was 8.2% (662 out of 8056). There was a significant decrease over the 6-year period (p-trend: < 0.05). Adolescents were at higher risk of preterm deliveries (gestational age < 37 weeks; odds ratio [OR], 1.7; 95% confidence interval [CI]; 1.3–2.2; p < 0.01): low birth weight (defined as birth weight < 2650 g, OR; 1.7, CI 1.4–2.2, p < 0.01) and asphyxia at 1st minute (OR, 1.5; 95% CI 1.1–2.2; p = 0.02). There was no difference in delivery outcomes between early and late adolescents. Our results suggest that the prevalence of adolescent deliveries is lower in urban settings. Adolescent deliveries are more likely to result in adverse fetal outcomes than adult deliveries. Measures directed towards the prevention of adolescent pregnancies should be implemented to reduce neonatal morbidity and mortality.

Electronic supplementary material

The online version of this article (10.1186/s13104-018-3578-0) contains supplementary material, which is available to authorized users.

Adolescent deliveries in rural Cameroon: comparison of delivery outcomes between primipara and multipara adolescents

Objective

Adolescent pregnancies are high risk and deliveries in this age group are usually associated with adverse outcomes. The perception that multiparous adolescents have better delivery outcomes than primiparous counterparts is not uncommon. We sought to determine if multiparous adolescents were precluded from having adverse delivery outcomes when compared to primiparous adolescents. The data used for the analysis is a side product from a published project aimed at mapping the epidemiology of adolescent deliveries in the Oku health district.

Results

From an 8-year (2009–2016) retrospective register analysis of data from two primary healthcare facilities in the Oku health district—a rural area in Cameroon, the prevalence of multiparous adolescent deliveries was 21.5% (78/363). After multivariable analyses, and adjusting for age, sex of baby, gestational age, marital status and HIV status, primiparous adolescents were more likely to have low birth weight infants (LBW) (OR: 3.2; 95% CI 1.1, 9.7; p = 0.04) when compared with multiparous adolescents. Though primiparous adolescents were more likely to have LBW infants than multiparous adolescents, this group of mothers are generally ill-equipped to handle pregnancies and adolescent-friendly programs are necessary to decrease the associated burden.

Electronic supplementary material

The online version of this article (10.1186/s13104-018-3550-z) contains supplementary material, which is available to authorized users.

Adolescent deliveries in rural Cameroon: an 8-year trend, prevalence and adverse maternofoetal outcomes

Background

Adolescent deliveries remain a global public health concern especially in low- and middle-income countries where 95% of these deliveries occur. In Cameroon, adolescent pregnancies have a high disease burden due to their association with adverse pregnancy outcomes. We sought to evaluate the prevalence, trend and adverse maternofoetal outcomes of adolescent deliveries in a rural community in Cameroon.

Method

We carried out a retrospective register analysis of 1803 singleton deliveries in two health facilities located in the Oku sub-division over an 8-year period (2009 to 2016). We excluded: records without maternal age, babies born before arrival, birthweights less than 1000 g, multiple deliveries and deliveries before 28 weeks gestation. Data analysis was done using Epi info 7.0.8.3. The Fisher’s exact test was used to compare categorical variables, while the chi-square test for trends was used to determine time trends. P-values below 5% were considered statistically significant.

Results

The 8-year prevalence of adolescent deliveries was 20.4% (95% CI = 18.6–22.4) with a significant, downward trend between 2009 and 2016 (P trend = 0.05). Second-fourth degree perineal tears were more likely to complicate adolescent (Age < 20 years) deliveries compared with their adult (Age ≥ 20 years) counterparts (OR = 2.9; 95% CI = 1.8–4.7; p < 0.001). Also, babies born to adolescent mothers were more likely to have a low birthweight (OR = 1.7; 95% CI = 1.1–2.6; p = 0.009) and be asphyxiated at the fifth minute of life (OR = 3.2; 95% CI = 1.9–5.5; p < 0.001). Over an eight-year period, the downward trend in the prevalence of adolescent deliveries was associated with a significant decrease in the trend of neonatal asphyxia at the fifth minute. Married adolescents and their babies were as likely to develop the complications of adolescent delivery such as second-fourth degree perineal tears (OR = 0.8; 95% CI = 0.4–1.6; p = 0.456), low birthweight (OR = 2.1; 95% CI = 0.9–4.7; p = 0.070) and fifth minute neonatal asphyxia (OR = 0.9; 95% CI = 0.4–2.0; p = 0.832) as single adolescents and their babies.

Conclusion

The prevalence of adolescent deliveries in this rural community is high with one of every five babies born to an adolescent mother. Despite the downward trend indicating a decrease in adolescent deliveries, our study demonstrates the need to reinforce and effectively apply existing government-based public health programme to target key indicators of adolescent pregnancy in Cameroon.

Adolescent deliveries in semi-urban Cameroon: prevalence and adverse neonatal outcomes

Objectives

Adolescent pregnancies are high risk due to the increased probability of adverse outcomes; as adolescents are usually considered to be ill-equipped to deal with the burden of pregnancy. We sought to determine the prevalence of adolescent deliveries in a secondary-level care hospital in semi-urban Cameroon-Bamenda, the adverse neonatal outcomes and to assess if previous obstetric history could preclude adolescents from having adverse outcomes in their present pregnancy.

Results

The prevalence of adolescent deliveries was 8.7% (95% CI 7.01–10.73%). The neonates of adolescent mothers were more likely to have severe asphyxia (OR 4.0; 95% CI 1.2–12.9; p = 0.03) and low birth weight (OR 2.4; 95% CI 1.3–4.4; p < 0.01). The neonates of primipara adolescents were just as likely to have complications as multipara adolescents. The prevalence of adolescent deliveries (8.7%) in the Regional Hospital Bamenda is high. Their babies are at a high risk of adverse neonatal outcomes irrespective of their previous obstetric history (previous delivery) emphasising that adolescents are generally ill-prepared to deal with pregnancy. Strategies to reduce the prevalence of adolescent deliveries should be investigated and implemented in view of attaining the sustainable development goals.

Adolescent Deliveries in a Secondary-Level Care Hospital of Cameroon: A Retrospective Analysis of the Prevalence, 6-Year Trend, and Adverse Outcomes

STUDY OBJECTIVE

Adolescents are generally ill-equipped to deal with the burden of a pregnancy. A high prevalence of adolescent pregnancies is among the indicators of limitations toward the achievement of the Millennium Development Goals in most developing countries. We sought to determine the prevalence, 6-year trend, and adverse outcomes of adolescent deliveries. We also tested whether being married decreased the risk of adverse fetal outcomes in these adolescents.

DESIGN

A 6-year retrospective register analysis.

SETTING

Buea Regional Hospital.

PARTICIPANTS

Birth records from 2007 to 2012.

INTERVENTIONS

None.

MAIN OUTCOME MEASURES

Prevalence and 6-year trend in the rate of adolescent deliveries; adverse fetal outcomes.

RESULTS

The overall prevalence of adolescent deliveries was 9.9% (491 of 4941). There was no significant change in the annual prevalence of adolescent deliveries over 6 years (P trend = .8). Adolescent pregnancies were at higher risk of preterm deliveries (deliveries at gestational age <37 completed weeks; odds ratio [OR], 1.7; 95% confidence interval [CI], 1.3-2.2; P < .01), low birth weight (defined as birth weight <2600 g; OR, 1.8; 95% CI, 1.4-2.3; P < .01), and neonatal asphyxia (OR, 1.4; 95% CI, 1.1-1.7; P < .01). There was no significant difference in the frequency of adverse outcomes between married and single adolescents.

CONCLUSION

One of every 10 babies is born from adolescent mothers in the Buea Regional Hospital. Whether these mothers are married or not, their neonates are exposed to higher morbidity. This emphasizes the need for more adolescent-friendly public health policies geared toward reducing the prevalence of this condition to improve the chances of attaining the Millennium Development Goals in Cameroon.

Prevalence and outcome of teenage hospital births at the Buea Health District, South West Region, Cameroon

BACKGROUND

Teenage pregnancy is a high-risk condition that requires skilled antenatal care for good outcome. World estimates in 2008 report about 16 million births to adolescent mothers, most of them occurring in low and middle-income countries. In Cameroon, about 12% of all births are to adolescent mothers. This study determines the prevalence of hospital teenage deliveries in the Buea Health District and compares the delivery outcomes and demographic characteristics between pregnant teenage mothers (14-19) and adult mothers (20-29 years). We also identify factors associated with adverse pregnancy outcomes.

METHODS

We undertook a retrospective study of case files of patients who gave birth in the Buea Regional Hospital during the period 2009-2012, to determine the prevalence of hospital-delivered teenage pregnancies in the BHR. We also undertook a, cross-sectional study to compare the outcomes of 148 singleton adolescent births with 360 adult births in three health facilities in the Buea Health District during the period March 1 to August 31, 2013.

RESULTS

The prevalence of teenage births was 13.3%. The adverse fetal outcomes imputable to adolescent births were low birth weight (<2,500 g) (OR, 2.79; 95% CI, 1.28-6.09), preterm babies (<37 weeks) (OR: 1.85; 95% CI, 1.01-3.41), low 5 min Apgar score < 7 (OR: 1.66; 95% CI, 0.91-3.0). Adverse maternal outcomes associated with teenage pregnancies were mainly perineal tear (OR, 1.6; 95% CI, 0.95-2.7). Teenage births were not discovered in any significant way to cause preeclampsia/eclampsia, episiotomy, premature rupture of membranes and caesarean section. Maternal factors like age and gravidity were discovered to lead to adverse fetal outcomes in adolescents, while maternal factors like age, unemployment, marital status and gravidity were, for their part, directly responsible for adverse maternal outcomes in adolescents.

CONCLUSION

Teenage pregnancies are quite prevalent in the Buea Health District, and hospital delivery common. Adolescent pregnancies are more likely to lead to adverse fetal and maternal outcomes than adult pregnancies.

Maternal mortality in Cameroon: a university teaching hospital report

More than 550,000 women die yearly from pregnancy-related causes. Fifty percent (50%) of the world estimate of maternal deaths occur in sub-Saharan Africa alone. There is insufficient information on the risk factors of maternal mortality in Cameroon. This study aimed at establishing causes and risk factors of maternal mortality. This was a case-control study from 1st January, 2006 to 31st December, 2010 after National Ethical Committee Approval. Cases were maternal deaths; controls were women who delivered normally. Maternal deaths were obtained from the delivery room registers and in-patient registers. Controls for each case were two normal deliveries following identified maternal deaths on the same day. Variables considered were socio-demographic and reproductive health characteristics. Epi Info 3.5.1 was used for analysis. The mean MMR was 287.5/100,000 live births. Causes of deaths were: postpartum hemorrhage (229.2%), unsafe abortion (25%), ectopic pregnancy (12.5%), hypertension in pregnancy (8.3%), malaria (8.3%), anemia (8.3%), heart disease (4.2%), and pneumonia (4.2%), and placenta praevia (4.2%). Ages ranged from 18 to 41 years, with a mean of 27.7 ± 5.14 years. Lack of antenatal care was a risk factor for maternal death (OR=78.33; CI: (8.66- 1802.51)). The mean MMR from 2006 to 2010 was 287.5/100,000 live births. Most of the causes of maternal deaths were preventable. Lack of antenatal care was a risk factor for maternal mortality. Key words: Maternal mortality, causes, risk factors, Cameroon.