基础黄体生成素和不同LH/FSH比值水平对PCOS患者辅助生殖妊娠结局的影响

Effects of Basal LH and Different LH/FSH Ratio Levels on Assisted Reproductive Pregnancy Outcomes in Patients with Polycystic Ovary Syndrome

目的:探究基础黄体生成素(bLH)及不同黄体生成素/卵泡刺激素(LH/FSH)比值水平对多囊卵巢综合征(PCOS)患者体外受精或卵胞浆内单精子注射(IVF/ICSI)妊娠结局的影响。方法:选择2013年7月至2020年1月在南京医科大学第一附属医院生殖医学科首次行促性腺激素释放激素(GnRH)拮抗剂灵活方案促排卵,接受IVF/ICSI治疗的424例PCOS患者的临床资料进行回顾性分析。按照bLH水平不同分为正常bLH组(LH≤10 U/L,316例)和高bLH组(LH>10 U/L,108例);同时根据LH/FSH比值水平不同分为低比值组(LH/FSH≤1,227例)、中比值组(1<LH/FSH<2,142例)、高比值组(LH/FSH≥2,55例)。分析比较各组患者一般情况、促排卵情况及妊娠结局的差异,并采用二元Logistic回归分析影响活产的相关因素。结果:①高bLH组基础FSH和抗苗勒管激素(AMH)较正常bLH组高,差异有统计学意义(P<0.05)。在促排卵情况方面,高bLH组使用拮抗剂总天数长于正常组,但获卵数和绒促性素(HCG)日子宫内膜厚度小于正常bLH组,差异有统计学意义(P<0.05)。两组患者妊娠结局相关指标比较,差异无统计学意义(P>0.05)。②不同LH/FSH比值组患者比较,高比值组AMH和窦卵泡数(AFC)高于其他两组,差异有统计学意义(P<0.05)。在促排卵情况方面,高比值组获卵数、移植胚胎数、HCG日子宫内膜厚度均低于其他两组,差异有统计学意义(P<0.05)。3组患者妊娠结局相关指标比较,差异无统计学意义(P>0.05)。③二元Logistic回归分析显示活产与bLH、LH/FSH比值无关(P>0.05),与移植胚胎数有关(P<0.05)。结论:bLH水平和LH/FSH值升高可能会影响PCOS患者促排卵结果(如获卵数和HCG日子宫内膜厚度等),但与辅助生殖的活产率未见显著相关性。

Objective:To investigate the effects of basal luteinizing hormone(bLH)and different luteinizing hormone/follicle stimulating hormone ratio(LH/FSH)on the pregnancy outcome of in vitro fertilization or intracytoplasmic sperm injection(IVF/ICSI)in patients with polycystic ovary syndrome(PCOS).Methods:From July 2013 to January 2020,424 PCOS patients who underwent flexible gonadotropin-releasing hormone antagonist protocol for ovulation induction in first IVF/ICSI were collected retrospectively from the department of reproductive medicine,The First Affiliated Hospital of Nanjing Medical University.T he patients were divided into normal bLH(LH≤10 U/L,316 cases)and high bLH(LH>10 U/L,108 cases)group according to different levels of bLH;At the same time,according to the different levels of LH/FSH ratio,they were divided into low ratio(LH/FSH≤1,227 cases)group,median ratio(1<LH/FSH<2,142 cases)group and high ratio(LH/FSH≥2,55 cases)group.The general condition,ovulation induction and pregnancy outcomes of the groups were analyzed and compared Binary Logistic regression was used to analyze the related factors affecting live birth.Results:①The basal FSH and AMH in high bLH group were higher than those in normal bLH group,and the difference was statistically significant(P<0.05).In terms of ovarian induction,the number of oocytes retrieved and endometrial thickness on HCG injection day in the high bLH group were smaller than those in the normal bLH group,but the total duration of antagonist used was longer and the differences were statistically significant(P<0.05).Furthermore the pregnancy outcomes of the two groups had no statistical difference(P>0.05).②Compared with patients in different LH/FSH ratio groups,the high ratio group had higher AMH and antral follicle count(AFC)than the other two groups,and the differences were statistically significant(P<0.05).In terms of ovulation induction,the high ratio group had lower numbers of retrieved eggs,transferred embryos,and endometrial thickness on HCG day compared to the other two groups,with statistically significant differences(P<0.05).There was no statistically significant difference in pregnancy outcome indicators among the three groups of patients(P>0.05).③Binary Logistic regression analysis showed no significant correlation between live birth rate and bLH,LH/FSH ratio(P>0.05),but the live birth rate was related to the number of embryos transferred(P<0.05).Conclusions:Elevated bLH level and LH/FSH ratio may affect the outcomes of ovulation induction in women with PCOS(such as the number of oocytes retrieved and endometrial thickness on HCG injection day),but there is no significant correlation with live birth rate of assisted reproduction.