Oviposit is seen when Fu age is 1.5 years old, but corpus luteum period is very short, only 4 arrive 8 days, the corpus luteum when Fu age is 5 years old period lengthen further.

• 妇龄1.；5岁时可见排卵，但黄体期甚短，只有4到8天，妇龄5岁时黄体期进一步延长。