怀孕第七个月(正常标准) Seventh month of pregnancy

怀孕第七个月 Seventh month of pregnancy

大小：身长35——38cm，体重约1200——1250g。

Size: 35 - 38 cm in length and 1200 - 1250 g in weight.

呼吸：肺部里的支气管和小肺泡开始为外界环境的第一次呼吸做准备。

Breathing: Bronchioles and alveoli in the lungs begin to prepare for the first breath of the outside world.

尿液：每天排出0.5L左右的尿液到羊水中。

Urine: About 0.5L of urine is excreted into amniotic fluid every day.

转向：胎儿在这段时间会开始转向，他努力地锻炼肌肉，好让自己有足够的能力转向正常的出生位置。大部分的胎儿在这个月仍是头向上，但有些胎儿会因为过分快速的生长而头部向下。

Turn: During this time, the fetus will begin to turn. He works hard to train his muscles so that he has enough ability to turn to the normal birth position. Most babies are still head-up this month, but some babies will grow too fast and head-down.