Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval
Objective: To analyze the pregnancy outcomes in women undergoing fresh embryo transfer (ET) with the initiation of luteal phase support (LPS) on the day of oocyte retrieval (OR) compared with LPS 1 day after OR. Materials and Methods: Overall, 872 patients underwent fresh ET at Mackay Memorial Hospi...
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| Format: | Article |
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Elsevier
2025-07-01
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| Series: | Taiwanese Journal of Obstetrics & Gynecology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1028455925001287 |
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| author | Chia-Chen Lee Kuan-Sheng Lee Christine Shan-Chi Chiu Robert Kuo-Kuang Lee Ming-Huei Lin |
| author_facet | Chia-Chen Lee Kuan-Sheng Lee Christine Shan-Chi Chiu Robert Kuo-Kuang Lee Ming-Huei Lin |
| author_sort | Chia-Chen Lee |
| collection | DOAJ |
| description | Objective: To analyze the pregnancy outcomes in women undergoing fresh embryo transfer (ET) with the initiation of luteal phase support (LPS) on the day of oocyte retrieval (OR) compared with LPS 1 day after OR. Materials and Methods: Overall, 872 patients underwent fresh ET at Mackay Memorial Hospital between January 2017 and August 2021. Eligible patients were divided into two cleavage-stage (day 2 or day 3) ET and day 5 elective single ET (e-SET) groups. Pregnancy outcomes were analyzed with the initiation of LPS on the OR day and 1 day after OR. The subgroup with diminished ovarian reserve (DOR) (anti-Mullerian hormone ≤1.1 ng/mL) on cleavage-stage ET group was analyzed between the two LPS initiation time points. Results: The cleavage-stage ET group that received LPS on the OR day showed significantly higher implantation (27.8 % vs. 17.6 %, p = 0.002), clinical pregnancy (46.3 % vs. 34.4 %, p = 0.022), and livebirth (33.7 % vs. 23.6 %, p = 0.037) rates. In the subgroup analysis of DOR in the cleavage-stage ET group, LPS initiated on the OR day led to significantly higher rates of implantation (30.7 % vs. 16.2 %, p = 0.048), clinical pregnancy (50.0 % vs. 26.5 %, p = 0.023), and nonstatistically significant but higher livebirth (38.6 % vs. 20.6 %, p = 0.067). In the day 5 e-SET group, no significant differences in clinical pregnancy (51 % vs. 59.4 %, p = 0.294) and livebirth (41 % vs. 44.4 %, p = 0.665) rates were found between the two LPS initiation time points. Conclusion: Women undergoing day 2 or day 3 ET appear to have better pregnancy outcomes including clinical pregnancy, livebirth, and implantation rates when LPS was initiated on the OR day than those undergoing LPS initiated 1 day after OR, particularly for women with DOR. However, in the day 5 e-SET group, clinical outcomes are comparable between the two initiation time points. |
| format | Article |
| id | doaj-art-42cbaf6fe8d146968e77dd542f4b79b5 |
| institution | Matheson Library |
| issn | 1028-4559 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
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| series | Taiwanese Journal of Obstetrics & Gynecology |
| spelling | doaj-art-42cbaf6fe8d146968e77dd542f4b79b52025-07-02T04:49:33ZengElsevierTaiwanese Journal of Obstetrics & Gynecology1028-45592025-07-01644637642Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrievalChia-Chen Lee0Kuan-Sheng Lee1Christine Shan-Chi Chiu2Robert Kuo-Kuang Lee3Ming-Huei Lin4Division of Reproduction and Infertility, Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei City, 104217, TaiwanDivision of Reproduction and Infertility, Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei City, 104217, TaiwanDivision of Reproduction and Infertility, Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei City, 104217, TaiwanDivision of Reproduction and Infertility, Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei City, 104217, TaiwanCorresponding author.; Division of Reproduction and Infertility, Department of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei City, 104217, TaiwanObjective: To analyze the pregnancy outcomes in women undergoing fresh embryo transfer (ET) with the initiation of luteal phase support (LPS) on the day of oocyte retrieval (OR) compared with LPS 1 day after OR. Materials and Methods: Overall, 872 patients underwent fresh ET at Mackay Memorial Hospital between January 2017 and August 2021. Eligible patients were divided into two cleavage-stage (day 2 or day 3) ET and day 5 elective single ET (e-SET) groups. Pregnancy outcomes were analyzed with the initiation of LPS on the OR day and 1 day after OR. The subgroup with diminished ovarian reserve (DOR) (anti-Mullerian hormone ≤1.1 ng/mL) on cleavage-stage ET group was analyzed between the two LPS initiation time points. Results: The cleavage-stage ET group that received LPS on the OR day showed significantly higher implantation (27.8 % vs. 17.6 %, p = 0.002), clinical pregnancy (46.3 % vs. 34.4 %, p = 0.022), and livebirth (33.7 % vs. 23.6 %, p = 0.037) rates. In the subgroup analysis of DOR in the cleavage-stage ET group, LPS initiated on the OR day led to significantly higher rates of implantation (30.7 % vs. 16.2 %, p = 0.048), clinical pregnancy (50.0 % vs. 26.5 %, p = 0.023), and nonstatistically significant but higher livebirth (38.6 % vs. 20.6 %, p = 0.067). In the day 5 e-SET group, no significant differences in clinical pregnancy (51 % vs. 59.4 %, p = 0.294) and livebirth (41 % vs. 44.4 %, p = 0.665) rates were found between the two LPS initiation time points. Conclusion: Women undergoing day 2 or day 3 ET appear to have better pregnancy outcomes including clinical pregnancy, livebirth, and implantation rates when LPS was initiated on the OR day than those undergoing LPS initiated 1 day after OR, particularly for women with DOR. However, in the day 5 e-SET group, clinical outcomes are comparable between the two initiation time points.http://www.sciencedirect.com/science/article/pii/S1028455925001287Luteal phase supportFresh embryo transferProgesterone |
| spellingShingle | Chia-Chen Lee Kuan-Sheng Lee Christine Shan-Chi Chiu Robert Kuo-Kuang Lee Ming-Huei Lin Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval Taiwanese Journal of Obstetrics & Gynecology Luteal phase support Fresh embryo transfer Progesterone |
| title | Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval |
| title_full | Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval |
| title_fullStr | Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval |
| title_full_unstemmed | Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval |
| title_short | Better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval |
| title_sort | better pregnancy outcomes in women with day 2 or day 3 fresh embryo transfer when progesterone supplementation for luteal phase support is initiated on the day of oocyte retrieval |
| topic | Luteal phase support Fresh embryo transfer Progesterone |
| url | http://www.sciencedirect.com/science/article/pii/S1028455925001287 |
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