Progesterone capsules have a certain effect on the fetus, which is a kind of progesterone. In early pregnancy, if there are signs of miscarriage, progesterone capsules can be taken to supplement progesterone, which can have the effect of preserving the fetus. However, if taken in large doses, it may affect the growth and development of the fetus, resulting in premature sexual maturity after birth, such as early menstruation, early breast development, or feminization of the male. During pregnancy, pay attention to the blood test progesterone value, progesterone value back to normal, the fetus is more stable, you need to slowly stop taking the drug, avoid long-term overdose, otherwise it will have a certain impact on the growth and development of the fetus.