During pregnancy, the growth of the fetal heart as well as the buds is usually not bleeding. If bleeding occurs, it is generally considered to be caused by preeclampsia. Under normal circumstances, a woman will have fetal buds in 6 to 7 weeks of pregnancy, and the fetal heart will grow in 7 to 8 weeks of pregnancy. Generally, the growth of the fetal heart and the fetal buds will not induce bleeding symptoms, and once bleeding symptoms occur, it may be related to the lack of progesterone in the pregnant woman’s body or the abnormal development of the fetus. In the early stages of pregnancy, the size of the gestational sac is usually used to determine whether it corresponds to the number of days after menopause. If there are symptoms of vaginal bleeding and abdominal pain, they are abnormal, and you need to go to a regular hospital as soon as possible to receive checkups and treatments. In addition, it is necessary for women to undergo obstetric examinations at various times during pregnancy under the guidance of a specialist, so that any problems found need to be dealt with as soon as possible.