\”Pregnant women over 35 years old are prone to pregnancy complications, which endanger the health of mothers and babies…\” On the morning of March 19, Huashang Daily and Xi\’an Qujiang Obstetrics and Gynecology Hospital held a \”Second Pregnancy Lecture\” on \”How to Prevent Pregnancy Complications for Mothers with Second Pregnancy\” Syndrome\” public welfare lecture, Li Caiqin, director of the Department of Obstetrics and Gynecology of Xi\’an Qujiang Obstetrics and Gynecology Hospital, brought a vivid second-child science class to nearly a hundred mothers who wanted to have a second child. Mothers who wear IUDs can get pregnant again after 3 months of wearing IUDs. At the beginning of the lecture, Director Li Caiqin spoke as an \”expert\”