Hello, Thanks for Writing to Health Care Magic and putting trust in us regarding your Health related query. I am Dr. Saleha and I have read your message in detail, I understand your concern and will try to help you in this. Brief answer to your question is that stomach can not prevent pregnancy. There are a few things you can do in regards of your problem. A) Meet a Gyn&Obs and get diagnosed what is the cause of not b eing able to get pregnant is there any hormonal issue or structural. B) Meet a GP to know the cause of pain he might refer you to a gastro-entrologist for further management which might help you. C) Take some measures to make stomach issues better. Stomach issues can easily be dealt with by taking few simple measures. + You should stay away from spices and acidic food. + Don t use tobacco in any form like smoking Cigar or cigarettes, you have should avoid alcohol too. + Do not Drink carbonated fizzy drinks like coke , sprite , energy drinks, avoid drinks having caffeine, avoid tea and coffee. + You Food should also contain vegetables, fruits, salad along with proteins. + If you are over weight ,it is always advised to reduce your weight. + Using good quantity of fibre helps stool bulk to be made, it keeps digestion and gut motility better, and it will also help your stomach function better. + Reduce Oil content in your food . + A walk before dinner is always helpful. + Don t eat a big meal immediately before your sleep. + For urgent relief you can use Antacids such as Mucaine,Gaviscon. I hope this answers your question.If you have more questions, I am happy to answer. Wish you lasting health. Regards. Dr.Saleha Saeed.