Unfortunately, none of these methods has been proven effective, and some may not be safe. Semen contains a high number of prostaglandins, which are chemicals that can help to relax tissues Having sex won’t induce labor
How Does Sex Help Induce Labor? | theAsianparent Philippines
But it might help speed things along if you’re already close to going into labor
Uterine contractions and the hormones released during orgasm may help jumpstart labor if you’re close to giving birth
Nipple stimulation can also help Sexual intercourse at term has been associated with earlier onset of labour and reduced need for induction at 41 weeks' gestation (tan 2006) It is a non‐medical method allowing the woman greater control over the process of attempting to induce labour. One thing that’s rumored to help naturally induce labor is having sex — a lot of people say that sperm can soften the cervix and help get things going.
Research suggests that sex may help induce labor due to the release of hormones, but it's not a guaranteed method for everyone. Having sex can trigger the release of oxytocin, a hormone that helps your contractions Semen may help to soften, or ripen, the neck of your womb (cervix), ready for it to open when labour starts
