genetic defect
Gene is the password of life, and sometimes the wrong password may lead to abortion.
environmental factor
Keep away from harmful chemicals and physical factors, such as arsenic, lead, benzene, formaldehyde, etc. Radiation, noise and high temperature are all invisible killers of abortion.
Maternal factors
Acute diseases during pregnancy, bacterial toxins and viruses may threaten the safety of the fetus. Anemia in pregnant women, heart failure, chronic nephritis, hypertension and reproductive organ diseases may all lead to abortion.
endocrine dyscrasia
Luteal insufficiency and hypothyroidism may affect the normal development of the fetus.
Immune factors
Pregnancy is a wonderful dance between mother and embryo. If the dance steps of both sides are not coordinated, it may lead to miscarriage.