There is no gyral pattern seen here ( lissencephaly ) because this stillborn fetus was under 20 weeks gestation 此处所示为无脑回类型(无脑回畸形) ，因为这个死产胎儿妊娠期少于20周。
Whoever is to terminate gestation or receive ligation operations under this law shall receive such services free of charge 依照本法规定施行终止妊娠或者结扎手术的，接受免费服务。
The innovation amp; amp; evolution of quot; south jiangsu mode quot; and the gestation amp; amp; forming of quot; new south jiangsu mode quot 从苏南模式的创新演进到新苏南模式的孕育成型
Seere preeclampsia that deelops at < 34 weeks of gestation is associated with high perinatal mortality and morbidity rates 发生在34孕周以前的重度先兆子痫有高围产期死亡率和患病率。
Congenital rachitic call again fetal period rachitic , namely of the child rachitic had happened between gestation 先天性佝偻病又称为胎儿期佝偻病，即孩子的佝偻病在妊娠期间就已经发生。
At 7 weeks of gestation , a sonolucent area is seen in the cephalic pole , presumably representing the fluid - filled rhombencephalic esicle 7周，可在头极观察到一透声区，可能是充满液体的后脑囊。
Effects on endocrine and immune system of pregnant rats and their offspring exposed to cypermethrin plus methylparathion during gestation 妊娠期混配农药暴露对亲子两代大鼠内分泌和免疫系统的影响
For new farms built around the country , the gestation and farrowing crates are by far the most common housing system for sows 在美国这些新的大型猪场中,一般情况下妊娠和产仔的猪舍是最为常见的。
Ms fung ' s baby ， in its 31st week of gestation ， died the following morning because of a sudden breaking off of part of the placenta 冯女士三十一周大的胎儿终在翌日早上，因胎盘突然剥落而夭折。
Mating occurs in early march and early april . gestation lasts 52 days . litters average seven pups but may contain as many as 15 pups 交配季节在3 、 4月初，母狐妊娠期52天，平均每胎7只，最多可达15只。
