Low progesterone has an effect on the development of the fetus. Progesterone is the progesterone secreted by the ovary, which is important for the maintenance of women’s physiological characteristics and normal reproduction. During pregnancy, the value of progesterone will rise, which is conducive to the implantation of embryos and the normal development of the fetus, while low progesterone will cause delayed development of the fetus, or even miscarriage, etc. In order to ensure that the progesterone during pregnancy is normal, you can follow the doctor’s instructions to take progesterone to supplement the progesterone. Early pregnancy can be supplemented with folic acid and vitamins, to avoid excessive exertion and physical labor, to pay attention to rest, to develop good habits, regular obstetric examination, to ensure the normal development of the fetus, the occurrence of physical discomfort should be timely consultation.