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

我还发现它们大约需要三到五个月。

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

第二个是14周到27周零6天。

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

这可能是因为对高血压疾病认识提高了。

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

他找了一些处胃部不适妇女。

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

胎盘是发育一个重要结构，附着子宫壁上。

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

熊相对来说较长，它们一般春天或夏初交配。

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

但是母亲没有食用茴香婴儿则表现出“恶心”表情。

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，女性子宫内细胞对影响远超过预。

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

由于对产妇复苏干扰，胎儿监护不应该心脏骤停间进行。

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。

The gestation period can last up to 18 years!

可达18年！

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

小海龟从它们卵中孵化出来大约需要60天，它们是这些动物中最长。

The gestation period of a goat is around 145 days.

山羊约为 145 天。

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

它们比典型北美有蹄类动物更长，平均为八个月。

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最长？

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唐氏综合症以及避免器官移植排异血液检测。

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，大白鲨为 12 个月或更长时间，是这份名单上最长。

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胎盘陆地哺乳动物，长达 2 年。

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.

通常为40周。若婴儿子宫内生长周达37周后出生即为足月生产。