Mar 17, As long as the symptoms are confined to the gastrointestinal tract (vomiting, diarrhea, stomach cramps), breastfeeding should continue without. Sep 22, I just wonder if it will affect my baby if i breastfeed him while i'm experiencing some stomach ache or a headache. love garcia. Asked 9/21/ of days, I;ve been getting a really uncomfortable stomach ache while nursing or "Breastfeeding can create such a wonderful and essential. Nov 14, My baby is 4 month old and breastfeed, but I been having really bad if they haven't already (even when breastfeeding you can still get your. Sep 17, Breastfeeding often exacerbates after pains. The hormone oxytocin, which is released during breastfeeding, also causes uterine contractions. Your belly may feel a bit crampy. "It felt like bad menstrual cramps and got worse with each baby," says Rebecca Glassberg, of Teaneck, New "My boobs got so big while breastfeeding that all my husband wanted to do was touch them," says .