adj.胎盘的，有胎盘的，有胎座的
n.【动】有胎盘哺乳动物

The placenta is a crucial organ for fetal development, providing nutrients and oxygen to the baby through the mother's bloodstream.
胎盘是胎儿发育中至关重要的器官，通过母体血液为婴儿提供营养和氧气。
After childbirth, the placenta is typically delivered naturally by the mother during labor or may require manual removal.
分娩后，胎盘通常会由母亲自然产出，也可能需要人工取出。
Placental abruption is a serious medical condition where the placenta separates from the uterus before delivery, causing bleeding and potential complications for both mother and baby.
胎盘早剥是一种严重的医疗状况，胎盘在分娩前从子宫壁上剥离，可能导致出血及母婴并发症。
In some cases, the placenta may not fully separate after birth, leading to a condition called retained placenta, which requires medical intervention.
有时，胎盘在出生后可能未能完全排出，形成滞留胎盘，需要医疗干预处理。
The placenta plays a vital role in hormonal regulation, especially during pregnancy, as it produces hormones like estrogen and progesterone.
胎盘在激素调节中起着关键作用，特别是在孕期，它会产生雌激素和孕酮等激素。
Researchers study the placenta to understand how it facilitates the exchange of substances between mother and baby, contributing to fetal growth.
研究人员研究胎盘以了解它如何促进母体与胎儿间物质交换，促进胎儿生长。
Some species have evolved specialized placenta structures, such as the marsupial's short-lived, simple placenta that allows for rapid post-birth development.
有些物种进化出特殊的胎盘结构，如袋鼠的短命简单胎盘，这使得它们在出生后能快速发育。
In rare cases, a placenta previa occurs, where the placenta partially or completely covers the cervix, posing risks during pregnancy and delivery.
极少数情况下会发生前置胎盘，胎盘部分或完全覆盖宫颈，对孕期和分娩构成风险。
A placenta transfer can occur in twins or multiples when one baby's placenta connects with another's, sharing resources.
在双胞胎或多胞胎中，可能会发生胎盘共享现象，其中一个婴儿的胎盘与另一个相连，共享资源。
Proper care and examination of the placenta after delivery are essential for detecting any abnormalities that could indicate potential health issues for the mother or baby.
分娩后对胎盘进行适当的护理和检查至关重要，以发现任何异常，这可能暗示母亲或婴儿的健康问题。