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

胎盘是在怀孕期间形成的附着在子宫壁上的一种结构。

Fundal massage causes the smooth muscle in the wall uterine wall to contract and harden.

子宫底按摩能促进子宫壁的平滑肌收缩和变硬。

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

胎盘是妊娠期发育的一个重要结构，附着在子宫壁上。

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，胎盘开始从子宫壁剥离。

These extreme blood pressures can lead to a hemorrhagic stroke or placental abruption, in which the placenta detaches prematurely from the uterine wall.

这种严重的高血压可能导致出血性脑卒中或者胎盘早剥，即胎盘从子宫内壁过早脱落。

They penetrate all the way into the mother's bloodstream in that uterine wall.

它们一路渗透到母亲子宫壁的血液中。

Placenta previa is also associated with placenta accreta, which is where the placenta invades the myometrium and becomes inseparable from the uterine wall.

前置胎盘有时伴有胎盘增生，即胎盘侵入性生长进子宫肌层，无法与子宫壁分离。

The entire placenta normally separates from the uterine wall in the third stage of labor, but occasionally a part of the placenta remains behind in the uterus.

正常情况下，胎盘组织会在第三产程中从子宫壁上完整的脱落并娩出，但在某些情况下，部分胎盘组织将在术后残留在子宫腔内无法自行排出。

Alright, as a quick recap, placental abruption is the premature separation of all or part of a normally implanted placenta from the uterine wall, which results in hemorrhage.

好！快速回顾一下：胎盘早剥是指正常植入的胎盘全部或部分与子宫壁过早分离而导致出血。

This can happen because the placenta is less elastic than the uterus, the strong forces from traumatic events like these can cause the placenta to sheer away from the uterine wall.

由于胎盘没有子宫那么有弹性，所以这些创伤性事件的强大外力会导致胎盘脱离子宫壁。

After delivery, the myometrium continues to contract and this squeezes down on the placental arteries at the point where they are attached to the uterine wall, clamping them shut, thereby reducing uterine bleeding.

在分娩之后，子宫肌层持续收缩，并将胎盘动脉挤压到子宫壁上，使动脉被生理性结扎，从而减少子宫的出血。

Waves of estrogen and progesterone regulate monthly changes to the ovary stroma to promote egg maturation and ovulation, and as well, it changes to the uterine wall lining as part of the menstrual cycle.

雌激素和孕酮的周期性改变可调节卵巢基质每月的变化，以促进卵细胞成熟和排卵，同时它还影响子宫内膜在月经周期内的改变。

During puberty, waves of estrogen and progesterone regulate primary sex characteristics, like monthly changes to the ovary stroma to promote egg maturation and ovulation, and changes to the uterine wall lining as part of the menstrual cycle.

在青春期，雌激素和孕酮水平的波动会调节第一性征，如每月卵巢基质的变化促进了卵子成熟和排卵，以及作为月经周期一部分的子宫内膜的变化。

The placenta forms where the embryo attaches to the uterine wall and it's a unique organ because it develops from both the mom and the fetus, and its job is to permit gas and nutrient exchange between them.

胎盘在胚胎与子宫壁接触的地方形成，它是一个独特的器官，因为它是由母亲和胎儿一起发育形成的，而其职责是在两者之间交换气体和营养物质。