I also found out that their gestation period takes anywhere from three to five months.

我还发现它们的妊大约需要三到五个月。

There's just more recognition of hypertensive disorders of pregnancy.

这可能是因为对妊高血压疾病的认识提高了。

The second is from 14 to 27 weeks and six days.

第二个妊是14周到27周零6天。

The placenta is a crucial structure that develops in pregnancy and attaches to the uterine wall.

胎盘是妊发育的一个重要结构，附着在子宫壁。

Bears have a relatively long gestation period. Mating takes place in the spring or early summer.

熊的妊相对来说较长，它们一般在春天或夏初交配。

What Benson did was bringing women who had, who were pregnant, and who had stomach problems.

他找了一些处在妊胃部不适的妇女。

Babies whose mothers did not eat anise during pregnancy showed a reaction that translated roughly as " yuck."

但是母亲没有在妊用茴香的婴儿则表现出“恶心”的表情。

He spits them out from time to time in order to aerate them over the 5-day gestation period.

他要时不时地将蛋吐出来，让他们置于空气中，才能熬过5天的妊。

Another finding is that the cells lining a woman's uterus have a larger-than-expected influence on the length of pregnancy.

另一个发现是，女性子宫内的细胞对妊的影响远超过预。

Now because of potential interference with maternal resuscitation, fetal monitoring should not be undertaken during cardiac arrest in pregnancy.

由于对产妇复苏的潜在干扰，胎儿监护不应该在妊心脏骤停间进行。

Baby sea turtles hatch from their eggs after about 60 days giving them the longest gestation period on this list.

小海龟从它们的卵中孵化出来大约需要60天，它们的妊是这些动物中最长的。

They have a longer gestation period than typical  North American ungulates, averaging eight months.

它们的妊比典型的北美有蹄类动物更长，平均为八个月。

The gestation period can last up to 18 years!

妊可达18年！

The gestation period of a goat is around 145 days.

山羊的妊约为 145 天。

Dr. Quake is an entrepreneur whose inventions include blood tests to detect Down syndrome in pregnancy and to avoid organ transplant rejection.

奎克是一名企业家，其发明包括用于检测妊唐氏综合症以及避免器官移植排异的血液检测。

Ten-second trivia: Which of these animals has the longest gestation period?

十秒小知识：这些动物中哪种动物的妊最长？

And the third trimester starts at 28 weeks – that is the time when the fetus's weight increases and the organs begin to grow.

第三个妊从28周开始，胎儿体重增加，器官开始发育。

The gestation period for white sharks is believed to be 12 months or more, the longest time period on this list.

据信，大白鲨的妊为 12 个月或更长时间，是这份名单最长的。

A pregnancy normally lasts about 40 weeks. An infant is considered full term if the baby is born after 37 weeks in the mother's womb.

妊通常为40周。若婴儿在子宫内的生长周达37周后出生即为足月生产。

For example, the African elephant, the largest placental land mammal today by mass, has a gestation period of up to 2 years.

例如， 非洲象是当今质量最大的胎盘陆地哺乳动物，妊长达 2 年。