Pregnancy can also be moderate masturbation, mainly depending on the time of pregnancy, early pregnancy, because easy to miscarriage, it is best not to do, the last two months of pregnancy, if the external stimulation is likely to lead to premature labor, should also try to avoid should also try to avoid. The 4th-8th month of pregnancy can be moderate sex or masturbation, but need to pay attention to the degree of stimulation is not too high, not too long, otherwise it may lead to sexual excitement caused by uterine contractions, unfavorable to the pregnancy. Compared to sex, masturbation stimulation should be smaller, as long as pay attention to local hygiene, generally will not lead to a major impact. However, frequent masturbation should be avoided, otherwise it is likely to lead to inflammation of the reproductive system, which is unfavorable to pregnancy.