If fertilization doesn't happen, then the corpus luteum stops making hormones after around 10 days, becomes fibrotic, and is called the corpus albicans.

如果次级卵母细胞没有受精，大概10天之后，黄体就会停止释放激素而纤维化，形成白体。

If fertilization doesn't happen, then the corpus luteum stops making hormones after approximately 10 days, becomes fibrotic, and is called the corpus albicans.

如果未受精，黄体会在大概10天后停止生成激素，并纤维化变成白体。