Watching porn when a girl is pregnant can have adverse effects and is not very favorable to the fetus. Because in the process of watching porn is likely to stimulate the scene cause the girl’s uterus contraction, triggering abdominal pain, especially in the first and second trimester, do not watch porn, so as not to cause preterm miscarriage or premature birth. In addition, watching pornography is also not conducive to fetal education, and is not conducive to the intellectual development of the fetus. Because the bad plot and sound in the pornographic film may lead to premature maturity or affect the intellectual development of the fetus, so, for the healthy development of the fetus, the mother-to-be should not watch pornographic films, and can give the fetus to listen to more classical music and so on.