Why is it three months old?

Fetal arrest generally refers to fetal arrest, three months fetal arrest may be related to embryo chromosome abnormalities, pregnancy infection, genital abnormalities and other factors.

1, embryo chromosome abnormalities such

as trisomy 13, 6, 18, 21 or 22, due to chromosome abnormalities, may affect the normal development of the fetus, resulting in fetal arrest.

2, pregnancy infection such

as rubella virus, cytomegalovirus, herpes simplex virus, etc., after entering the human blood circulation, can be absorbed by the fetus through the placenta, resulting in fetal arrest.

3, genital abnormalities such

as uterine dysplasia, intrauterine adhesions, etc., can also affect the normal development of the fetus, resulting in insufficient nutrition supply or development space blocked, resulting in fetal arrest.