Join Date: Jul 2005
Location: Nursing somewhere public in So Cal
Mentioned: 16 Post(s)
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Naive sex questions...
The tool used by a doctor or midwife to rupture membranes is like a crochet hook. IMO, man would have to be pretty aggressive to achieve the same during sex or foreplay. A doctor or midwife will sometimes do a membrane sweep, which is just done with fingers, but it is something they are intentionally and specifically doing. I would be shocked if foreplay could cause a membrane sweep.
If it does cause your water to break, I would think you are ready to go anyway. Any "natural" method of induction (and maybe unnatural ones as well) is really only effective if your body is ready to have the baby, and just needs some extra encouragement. The reason that sex is recommended for moving things along is hormonal; you release oxytocin, and semen contains prostaglandins, which ripen the cervix.
I wouldn't worry about colostrum. Lots of women leak colostrum during pregnancy, which isn't saved. You will produce colostrum for anywhere from 24 hours to a few days after your baby has born. Personally, I have nursed through three pregnancies (and my toddlers spend a lot more time with my breasts than my DH does), and have never had an issue with colostrum for the new baby.
Crunchy wife to my high-school sweetheart, mama to DS (10/23/05) , DS (11/22/07) , DD (3/9/10) , and DS (5/26/12), and three babies in Heaven.