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Jiang WJ, Song JY, Sun ZG. Short (seven days) versus standard (fourteen days) oestrogen administration in a programmed frozen embryo transfer cycle: a retrospective cohort study. J Ovarian Res 2022; 15:36. [PMID: 35313944 PMCID: PMC8939227 DOI: 10.1186/s13048-022-00967-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 03/11/2022] [Indexed: 11/10/2022] Open
Abstract
Research question What influence does seven days of oestrogen administration versus fourteen days have on the reproductive outcomes of frozen-thawed embryo transfer (FET) in programmed endometrial preparation cycles? Design In a retrospective study, conducted at a university-affiliated tertiary hospital, a total of 2628 infertile patients (4142 FET cycles) were divided into one of two groups between January 2014 and December 2020: group A (n = 1406, seven days of oestrogen before progesterone (P4) supplementation) and group B (n = 2716, fourteen days of oestrogen before P4 supplementation). The primary outcome was cumulative live birth rate (CLBR). Secondary outcomes were other pregnancy-related outcomes, maternal and neonatal complications. Results No significant difference in CLBR was observed when comparing seven versus fourteen days of oestrogen administration before starting P4 supplementation (47.6% vs. 48.8%, P = 0.537). Furthermore, multivariable logistic regression analysis revealed that oestrogen administration in programmed FET cycles (7 days vs. 14 days) was not significantly associated with CLBR (OR 1.04, 95% CI 0.89–1.23). The risks of maternal and neonatal complications were comparable between the two groups. Conclusions Variation in the duration of oestradiol supplementation before P4 initiation does not impact FET reproductive outcomes. For infertile women who desire to conceive as soon as feasible, short (seven days) oestrogen administration in a programmed FET cycle may be a suitable alternative. Supplementary Information The online version contains supplementary material available at 10.1186/s13048-022-00967-5.
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Affiliation(s)
- Wen-Jing Jiang
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jing-Yan Song
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Zhen-Gao Sun
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China. .,Reproductive and Genetic Centre of Integrated Medicine, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
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Li J, Sun Q, Zhang M, Fu X, Zhang Y, Gao S, Ma J. Natural cycles achieve better pregnancy outcomes than artificial cycles in non-PCOS women undergoing vitrified single-blastocyst transfer: a retrospective cohort study of 6840 cycles. J Assist Reprod Genet 2022; 39:639-646. [PMID: 35122175 PMCID: PMC8995231 DOI: 10.1007/s10815-022-02424-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/31/2022] [Indexed: 10/19/2022] Open
Abstract
PURPOSE To identify the optimal method for endometrial preparation in vitrified single-blastocyst transfer (VSBT) cycles. METHODS This was a retrospective cohort study for non-PCOS patients who underwent VSBT cycles from March 2015 to November 2019 in an academic reproductive medical center. A total of 6840 VSBT cycles were enrolled and classified into two groups according to different endometrial preparation methods. RESULTS The non-PCOS patients who underwent VSBT showed a significantly higher clinical pregnancy rate (61.96% vs 56.85%, p < 0.001) and live birth rate (49.09% vs 39.86%, p < 0.001), as well as a statistically lower early miscarriage rate (12.02% vs 18.08%, p < 0.001) in the natural cycle (NC) group compared with the artificial cycle (AC) group. Multivariable analysis further confirmed that NC was associated with an increased likelihood of clinical pregnancy (adjusted odds ratio (aOR) 0.852, 95% confidence interval (CI) 0.765-0.949, p = 0.004) and live birth (aOR 0.746, 95% CI 0.669-0.832, p < 0 .001), but decreased early miscarriage occurrence (aOR 1.447, 95% CI 1.215-1.724, p < 0.001) compared to AC. CONCLUSIONS Our study demonstrated that non-PCOS patients could benefit from NC in vitrified blastocyst transfer. Increased clinical pregnancy rate and decreased early miscarriage rate led to a significantly higher live birth rate in NC patients compared with AC with our present protocol.
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Affiliation(s)
- Jing Li
- grid.27255.370000 0004 1761 1174Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong 250012 China ,Shandong Provincial Clinical Research Center for Reproductive Technology and Reproductive Genetics, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong 250012 China
| | - Qian Sun
- grid.27255.370000 0004 1761 1174Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong 250012 China ,Shandong Provincial Clinical Research Center for Reproductive Technology and Reproductive Genetics, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong 250012 China
| | - Meng Zhang
- grid.27255.370000 0004 1761 1174Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong 250012 China ,Shandong Provincial Clinical Research Center for Reproductive Technology and Reproductive Genetics, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong 250012 China
| | - Xiao Fu
- grid.27255.370000 0004 1761 1174Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong 250012 China ,Shandong Provincial Clinical Research Center for Reproductive Technology and Reproductive Genetics, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong 250012 China
| | - Yiting Zhang
- grid.27255.370000 0004 1761 1174Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong 250012 China ,Shandong Provincial Clinical Research Center for Reproductive Technology and Reproductive Genetics, Jinan, Shandong 250012 China ,grid.27255.370000 0004 1761 1174National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong 250012 China
| | - Shanshan Gao
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China. .,Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China. .,Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, 250012, China. .,Shandong Provincial Clinical Research Center for Reproductive Technology and Reproductive Genetics, Jinan, Shandong, 250012, China. .,National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China. .,Center for Reproductive Medicine, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China.
| | - Jinlong Ma
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China. .,Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, Shandong, 250012, China. .,Shandong Key Laboratory of Reproductive Medicine, Jinan, Shandong, 250012, China. .,Shandong Provincial Clinical Research Center for Reproductive Technology and Reproductive Genetics, Jinan, Shandong, 250012, China. .,National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China.
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