After how many days of ovulation, the stomach swells up?

Your stomach will never swell up within a month of getting pregnant but you could get other signs like the constipation for example, and your could get tender, and please do not take it for granted that you are not pregnant because your boyfriend says so, you could get pregnant by just having with him where he be dews you with his sperm anywhere near your and you could get impregnated, also there is sperm in pre- and all the talk of pulling out before he s is all nonsense. To set your doubts at rest you must either take a pregnancy test or go to a suitable gyno and get the test done for you. The problem of the constipation could be solved with gelucil or an opening dose, but the problem of the pregnancy will not:). And in the meantime, if you must have with your boyfriend in any form, could you please get yourself put on the pill, or get him to take precautions such as a condom.