If a pregnant woman has low progesterone, even if there is a fetal heart and fetal buds, there is a possibility of pre-eclampsia or embryonic abortion, which is not necessarily stable.1. Pre-eclampsia: Progesterone plays an important role in the growth and development of the fetus and helps stimulate changes in the uterus during childbirth, which can promote embryonic development by increasing blood flow to the blood vessels and tissues of the reproductive system. If the progesterone value is greater than 20ng/L or more during pregnancy, it is generally not a big problem. If the value of progesterone gradually decreases, even if there is a fetal heart and fetal bud, the pregnant woman may appear bleeding, abdominal pain and other manifestations of pre-eclampsia, need to timely go to the hospital for fetal preservation treatment, can follow medical advice to apply progesterone treatment, during the period of fetal preservation should pay attention to absolute bed rest, prohibit sexual life; 2, embryonic abortion: if the pregnant woman itself suffers from abnormal thyroid function, or fetal congenital dysplasia, etc., easy to cause The first thing you need to do is to take a look at the website. Therefore, if the low progesterone is caused by embryonic abortion, the pregnancy should be terminated in time to avoid unnecessary damage to the health of the pregnant woman. Therefore, even if there is a fetal heart and fetal bud, but if the progesterone is low, pregnant women should not relax their vigilance and should pay attention to more rest, less activity and regular maternity checkups. In daily life, you can eat more foods rich in progesterone such as soybeans and black beans, which will help the smooth progress of pregnancy.