Well, I've been having intestinal/bowel woe when my pregnancy kicked in but i've found a helpful solution. But I found that taking probiotics really helps. Check with your doctor of course, but I've been told they were okay. the babycentre website says:
"Researchers have looked at probiotics to see if they might reduce the risk of allergies and allergic diseases such as asthma and eczema in newborn babies, and also to see if they cut the risk of premature birth."
Not to mention helping your gut: http://www.parenting.com/article/ask-dr-sears-probiotics-during-pregnancy
Here are ones that are sold by New Chapter, called Probiotic all-Flora: http://www.newchapter.com/prenatal-products#suggested-use
plain yogurt may also help. but don't bother with yogurt that has sugar as it will just kill the good bacteria. best to get organic goat yogurt if you can tolerate it during those nauseous moments.
Also, I know this is too much information - but it is helpful so i'll pass it on. Have a little box or stool (no pun intended) by the toilet so that when you put your feet up on it, when you are sitting on the toilet, it pushes your knees up as if you were squatting, the way we are naturally supposed to do our business not sitting as if we are taking tea with the queen. You can just use a makeshift item, but there is actually a product called, the Squatty Potty: http://www.youtube.com/watch?v=4rVYGnMD8u0
Quite an entertaining video. The things you learn on the net!
The probiotics helped me alot, but again, don't take my word for it, check with your doctor or midwife.
May the force be with you all!
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