No, inserting sperm during pregnancy for the purpose of conception is not medically possible or advisable. A pregnancy already exists, meaning a fertilized egg has implanted in the uterine wall. Additional sperm introduction would not lead to a second conception.
Understanding Sperm's Role in Pregnancy
While some sources mention the potential benefits of sexual activity before and during pregnancy, such as the release of oxytocin to aid labor (as stated in one reference: "Not only is sperm safe, but there may be some benefits to having sex and contact with sperm before and during pregnancy: Sperm and vaginal sex can help induce labor when the time comes. Oxytocin, one of the key hormones involved in progressing labor, is released during sex, and orgasms mimic contractions."), this is distinct from inserting sperm to achieve conception during an established pregnancy.
The cervix, which sperm must pass through to reach the egg, effectively seals itself during pregnancy to protect the fetus from infection. As such, sperm would not be able to reach the egg, even if it were available. Multiple references confirm that during pregnancy, sperm is usually harmless but will generally be expelled from the vagina (example source: "The majority of it will be eliminated from the body through the vagina").
Conversely, medical procedures like intrauterine insemination (IUI) involve inserting sperm into the uterus before conception in order to assist in achieving pregnancy (Mayo Clinic IUI). This process is completely different from attempting sperm insertion during pregnancy. In vitro fertilization (IVF) is another assisted reproductive technology where fertilization happens outside the body (MedlinePlus IVF). These methods all aim to facilitate conception, not to introduce sperm into an already existing pregnancy.
Medical Considerations
Introducing sperm into the uterus during pregnancy poses unnecessary risks and is not a medically recognized practice. There's no scientific basis to suggest this procedure would be beneficial. If you have questions or concerns about sexual activity during pregnancy, consult with your healthcare provider.
