 [ Symptoms ] pregnancy symptoms missed period sickness but nipple stimulations not sure  my girlfriend and i had protected sex 5 weeks ago it was a day after her last period we have had sex a few more times since then before 4 weeks ago it had been 6 months since she had sex now her period is late and she is feeling sick she has recently started nipple stimulations to have larger breasts i know that stimulations can induce labor so could that combined with a lot of recent stress the sudden sexual activity and a common cold or the flu account for the missed period [ Disease ] also can nipple stimulation create elevated hcg or somehow else throw off a pregnancy test for a positive result or negative result being sick any help would be nice