垂体、卵巢和胎盘分泌的各种激素相互配合，维持妊娠，调节母体适应妊娠的需要。妊娠10周后血中孕激素是来自（）。_麻醉科习题集_全学科试题题库

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垂体、卵巢和胎盘分泌的各种激素相互配合，维持妊娠，调节母体适应妊娠的需要。妊娠10周后血中孕激素是来自（）。
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