Pregnancy 4 months appropriate masturbation is no effect, pregnant women in mid-pregnancy masturbation should pay attention to the following matters: 1, pregnant women masturbation can not be too frequent, otherwise it is easy to cause frequent uterine contractions, easy to stimulate the fetus, and even lead to fetal hypoxia asphyxia. It is recommended that pregnant women do not masturbate more than 3 times a week to avoid accidents; 2, 4 months pregnant masturbation should pay attention to hygiene, because the resistance of the pregnant woman’s body is relatively poor, it is easy to cause infections, pregnant women before and after masturbation to wash their hands, but also with warm water to clean their private parts; 3, pregnant women masturbation if you feel obvious pain, or triggered by the uterus contraction, the emergence of the stomach tightness, hardness, and other symptoms, should be promptly stopped! Masturbation, this situation suggests that pregnant women first rest for a few days, so as not to cause frequent uterine contractions, pregnant women in mid-pregnancy can masturbate and coitus, but pay attention to the frequency and hygiene.