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  • Title: [Pregnancy outcome of frozen-thawed embryo transfers in different endometrial progesterone preparation time].
    Author: Lu J, Zhang C, Zhang S, Geng J, Zhang Y.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 2014 Jun; 49(6):424-7. PubMed ID: 25169633.
    Abstract:
    OBJECTIVE: To investigate the pregnancy outcome of frozen-thawed embryos transfer in different endometrial progesterone preparation time. METHODS: From January to December 2012, pregnant outcome of 1 103 frozen-thawed embryo transfer cycles using artificial periodic endometrial preparation were studied retrospectively in Reproductive Medical Center of Henan Provincial People's Hospital. It was divided into 4 groups: group 3-3 (n = 543, 3 days after endometrial progesterone preparation and transfer D3 embryo), group 4-3(n = 330, 4 days after endometrial progesterone preparation and transfer D3 embryo), group 5-5 (n = 150, 5 days after endometrial progesterone preparation and transfer D5 blastula), group 6-5 (n = 80, 6 days after endometrial progesterone preparation and transfer D5 blastula). The rate of implantation, pregnancy, ectopic pregnancy, multiple pregnancy, and first trimester abortion were compared among those groups. RESULTS: (1) With the different endometrial progesterone preparation methods and transfer D3 embryos, implantation rate [group 3-3:39.9% (429/1 074); group 4-3:44.1% (286/648)], pregnancy rate [group 3-3:56.0% (304/543); group 4-3:59.4% (196/330)], ectopic pregnancy rate [group 3-3:3.3% (10/304); group 4-3:2.6% (5/196)], multiple pregnancy rate[group 3-3: 38.5% (117/304) ; group 4-3: 43.4% (85/196)]and early abortion rate [group 3-3: 13.5% (41/304); group 4-3:13.3% (26/196)] had no significant differences between group 3-3 and group 4-3 (all P > 0.05). (2) With the different endometrial progesterone preparation methods and transfer D5 blastocysts, implantation rate [group 5-5:64.7% (191/295) ; group 6-5:69.4% (100/144)], pregnancy rate [group 5-5:80.7% (121/150) ; group 6-5:78.8% (63/80)], ectopic pregnancy rate [group 5-5:2.5% (3/121); group 6-5:0], multiple pregnancy rate[group 5-5:55.4% (67/121); group 6-5: 46.3% (37/80)] and early abortion rate [group 5-5: 5.8% (7/121); group 6-5:7.9% (5/63)]. However, there were no significantly differences between group 5-5 and group 6-5(all P > 0.05). CONCLUSIONS: The two different progesterone transformed endometrial methods can obtain satisfactory clinical outcome with D3 embryo or D5 blastocysts transfor. It is convenient to clinical and laboratory work arrangements.
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