If a woman is infected with Mycoplasma Urealyticum and is pregnant, she can have the baby if the growth and development of the fetus are normal. Because Mycoplasma Urealyticum can be transmitted vertically through the placenta or spread upward from the lower genital tract of pregnant women, causing intrauterine infections, pregnant women are prone to miscarriage, intrauterine growth retardation, fetal malformations and other adverse consequences, so pregnant women should closely observe the growth and development of the fetus, and if there is no abnormality, the child can be taken. If obstetric ultrasound, amniocentesis and other examinations during pregnancy reveal that the fetus is combined with serious malformations or dysplasia, the pregnancy should be terminated. If the pregnancy examination found that there is Mycoplasma lupus infection, need to use azithromycin treatment under the guidance of the doctor, if necessary, need to improve the drug sensitivity test, according to the results of the selection of sensitive antibiotics active treatment.