The impact of female IUD on the body and precautions. Female IUD is a method of contraception, which reduces the risk of unwanted pregnancy to a certain extent. However, when women choose the IUD as a contraceptive method, they also need to understand its impact on the body and precautions. This article will elaborate on the following four aspects. 1. The impact of IUD on menstruation. After IUD, some women will experience unstable menstruation or reduced menstrual flow. This