激素周期变化。经前综合症的体征和症状随着激素的变化而发生变化，而在妊娠期和更年期的时候会消失。
Cyclic changes in hormones. Signs and symptoms of premenstrual syndrome change with hormonal fluctuations and disappear with pregnancy and menopause.
如果漏服了一个周期内的一片或者数片药物，那么该周期内非意愿性妊娠的风险将增加。
If, however, you've missed a dose - or several doses - during a cycle, you might be at higher risk of unintended pregnancy during that cycle.
用尿促性素的妊娠率是每周期25%。
The pregnancy rate with gonadotropin therapy is 25% per cycle.
流产率，已启动的周期活胎出生率或多胎妊娠率的变化。
Change in the miscarriage rate, live birth rate per cycle started, or the multiple pregnancy rate.
其它的结果（包括每个周期的临床妊娠率，自然流产率、异位妊率及活产率在相比较的组间也没有发现显著区别。
None of the other outcomes, including CP per cycle, spontaneous abortion or ectopic pregnancy per CP and LB rate per cycle or ET was found to differ significantly between the compared groups.
目的探讨宫腔内人工授精(IUI)每周期授精次数与周期数对妊娠率的影响。
Objective To explore the effect of treatment frequency per cycle and number of cycles on the pregnancy outcome of IUI.
测定了5头贵州香猪和5头上海小型猪发情周期和妊娠早期外周血清的孕酮含量。
The progesterone contents of peripheral serum of 5 Guizhou Xiang gilts and 5 Shanghai mini-gilts were determined during their oestrous cycles and early pregnancy by a radioimmunoassay method.
输卵管切除术对IVF - ET周期妊娠结局无显著影响，在一定时间内不引起患者基础内分泌的改变，但降低手术侧卵巢的反应性。
Salpingectomy has no obvious effect on the outcome of IVF-ET and baseline endocrine within a period of time, but it reduces the ovarian response to superovulation on ipsilateral ovary in IVF-ET.
观察两组病人第一促排卵周期中卵泡发育、排卵和妊娠等情况。
The follicular development, ovulation and pregnancy in the first cycle of ovulation were observed.
女性：怀孕、妊娠、排卵周期、绝经期。
Females: any current pregnancy, gravidity, ovulatory cycle and menopause state.
比较各组周期特征和妊娠结局。
The characteristics of transfer cycles and pregnancy outcomes were compared among groups.
目的探讨激素替代—冻融胚胎移植周期中，血清雌激素水平对于胚胎移植时机的选择以及妊娠结局的影响。
Objective To investigate the influence of serum estradiol level on timing of embryo transfer and pregnancy outcome in hormone replacement-frozen embryo transfer cycles.
结果49例进行53个周期的冻融胚胎移植，获临床妊娠11例，临床妊娠率为20.8%。
Results Among the 49 cases who had received cryopreservation thawed embryo transplantation for 53 cycles, 11 cases achieved clinical pregnancy (with the rate of 20.8%).
周期第3天血l H值与周期妊娠率无关。
冻卵移植周期与冻胚移植周期的妊娠率差异也无统计学意义；
There is no significant difference in the clinical pregnancy rate (per embryo transfer cycle)between frozen-thawed oocyte group and frozen-thawed embryo group.
结果表明，黄体组织的形态结构随所处妊娠的不同阶段而变化，退化黄体细胞数量随周期进程逐渐增多；
The results showed that, the morphological structure of corpus luteum varied at different stages, and the number of degenerative luteal cells gradually increased;
结果表明，黄体组织的形态结构随所处妊娠的不同阶段而变化，退化黄体细胞数量随周期进程逐渐增多；
The results showed that, the morphological structure of corpus luteum varied at different stages, and the number of degenerative luteal cells gradually increased;
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