1. Does ejaculation of sperm from the same room during pregnancy have any impact on the fetus? Under normal circumstances, the ejaculation of sperm from the same partner during pregnancy will not have any impact on the fetus. This is because a woman\’s neck will become very hard after pregnancy and will form mucus plugs to prevent external substances from entering. In addition, the placenta can also filter out harmful substances and bacteria to protect the health of the fetus. 2. What are the effects of sperm entering the cervix during intercourse? If sperm enters the cervix during intercourse, it will not have any impact on the fetus. This is because, during pregnancy