Out of curiosity, which causes contractions?? People tell you to have sex to increase contractions, but is it the penetration that moves things along or the orgasms? No one is specific about that part and it seems kind of important... lol.

Orgasms make the uterus contract
Sperm makes me cervix softer

Penetration doesn't mean anything

Sperm bebe, sperm.

Quoting Asher's mommy [Expecting :" Out of curiosity, which causes contractions?? People tell you to have sex to increase contractions, but ... [snip!] ... penetration that moves things along or the orgasms? No one is specific about that part and it seems kind of important... lol."

lmao sorry its funny I get to say this now but...
orgasms can cause contractions but people tell you to have sex to move along labor because the semen softens the cervix...its safe to have sex tho unless your on pelvic bedrest because unless baby has plans to come early trying to bump up labor wont work but orgasms cause contractions the penetration rule is on you because guess what if you masturbate and orgasm those contractions will still come however if you personally have small climaxes from penetration its possible to contract but thats on you personally

Quoting Kelly&Coralie:" Orgasms make the uterus contract Sperm makes me cervix softer Penetration doesn't mean anything"

Ahhhhh, yes that makes sense.

I'd say orgasms is what does it because of the muscles contracting.

Quoting Kelly&Coralie:" Orgasms make the uterus contract Sperm makes me cervix softer Penetration doesn't mean anything"

  This.