This drug can pass through the placenta to an unborn baby.

尼古丁可以通过胎盘进入胎儿体内。

In most mammals, the placenta is confined behind a barrier of maternal cells.

大多数哺乳类动物的胎盘 被母亲体内的一层细胞屏障围着。

A poisoned dog jerking round the yard like a toy. Human placenta in a field.

在院子里转来转去的一只毒的狗像玩具一样。人的胎盘。

It raises the mother's blood pressure and affects the blood flow to the placenta.

它会使母亲的血压升高，并影响流向胎盘的血液。

At this point, the hypoperfused placenta starts releasing pro-inflammatory proteins.

此时，血供不足的胎盘始释放促炎性蛋白质。

Dorie's having contractions. The babies' vital signs are stable, but your placenta's laying low.

Dorie 始有宫缩了，婴儿的生命体征很平稳，但你的胎盘位置偏低。

Apparently, her fall caused a placental abruption, where the placenta separates from the uterus. -Oh, my god.

很明显，她的跌倒导致胎盘破碎，胎盘和子宫已经分离了。-天。

The third stage of labor occurs after the baby has been delivered, and involves delivery of the placenta.

第三产程在胎儿已经娩出后发生，即胎盘的娩出。

As the pregnancy progresses, HCG supports the formation of the placenta, which transfers nutrients from mother to fetus.

随着怀孕的过程，HCG 能够帮助形成胎盘，胎盘能够将母亲体内的营养物质传送给胎儿。

The heart has to work extra hard to pump all this blood through the body and placenta.

心脏必须格外用力才能把血液泵送到全身和胎盘。

Well, the exact cause is unclear, a key pathophysiologic feature though is the development of an abnormal placenta.

其确切病因尚未阐明，但胎盘异常是一个重要的病理生理特点。

In preeclampsia, these uteroplacental arteries become fibrous causing them to narrow, which means less blood gets to the placenta.

但在子痫前期，子宫胎盘动脉纤维化导致动脉狭窄，意味着输送至胎盘的血液就减少了。

After the baby’s is delivered, the uterus contracts firmly and the placenta begins to separate from the uterine wall.

胎儿娩出后，子宫继续收缩，胎盘始从子宫壁剥离。

A poorly perfused placenta can lead to intrauterine growth restriction and even fetal death in severe cases.

胎盘供血不足导致宫内发育受限，严重时甚至出现死胎。

Was your placenta as enormous as mine?

你那胎盘和我这的胎盘一样大吗？

The word “placenta” literally means “flat cake.”

从字面上看，“placenta”的意思是“扁平的蛋糕”。

After giving birth, the mother deer eats the placenta.

在分娩后鹿妈妈会吃掉胎盘。

Ooh, this is cool... it says in some parts of the world, people actually eat the placenta.

噢，这个不错，书上说有些地方的人真的吃胎盘。

Normally, the fetus is connected to the placenta by the umbilical cord, so the fetus gets oxygen and nutrients from the mother.

通常，胎儿通过脐带与胎盘连接，以从母体获得足够的氧气和营养。

But, the mother is now sensitized by Rh positive antigens that have passed through the placenta and into her bloodstream.

但是，母亲现在已通过胎盘进入她的血流的Rh阳性抗原致敏。