fundal placenta

例句：

1. 1. The fundus placenta is responsible for the transfer of nutrients and oxygen to the fetus.
   基部胎盘负责将营养物质和氧气传递给胎儿。
2. 2. During labor, the fundus placenta can become compressed, which can cause pain and difficulty in breathing.
   在分娩过程中，基部胎盘可能会受到压迫，这会导致疼痛和呼吸困难。
3. 3. The fundus placenta plays a crucial role in maintaining the health of the mother and fetus during pregnancy.
   基部胎盘在怀孕期间维护母亲和胎儿的健康起着至关重要的作用。