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

我还发现它们妊娠期大约需要三到五个月。

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

第二个妊娠期是14周到27周零6天。

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

他找了一些处在妊娠期胃部不女。

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

胎盘是妊娠期发育一个重要结构，附着在子宫壁上。

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

熊妊娠期相对来说较长，它们一般在春天或夏初交配。

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

是母亲没有在妊娠期食用茴香婴则表现出“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，女性子宫内细胞对妊娠期影响远超过预期。

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

由于对产复苏潜在干扰，胎不应该在妊娠期心脏骤停期间进行。

The gestation period can last up to 18 years!

妊娠期可达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，它们妊娠期是这些动物中最长。

The gestation period of a goat is around 145 days.

山羊妊娠期约为 145 天。

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

它们妊娠期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妊娠期最长？

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妊娠期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.

第三个妊娠期从28周开始，胎体重增加，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，大白鲨妊娠期为 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，妊娠期长达 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.

妊娠期通常为40周。若婴在子宫内生长周期达37周后出生即为足月生产。

Gestation period is around 62 days and litters average four to six cubs, which are born deaf and blind until their eyes open after 11 to 15 days.

妊娠期大概要62天，每窝平均4到6只幼崽，它们刚生下来既聋又瞎，在11到15天后才会睁开眼睛。

Big mammals like giraffes, rhinos, and elephants usually have only one offspring at a time, and gestation can last longer than some other kinds of animals live.

长颈鹿、犀牛和大象等大型哺乳动物通常一次只有一个后代，而且妊娠期比其他一些动物寿命更长。