 [ Symptoms ] my fiance and i have been having unprotected sex for the past two months or so could i be pregnant  i recently had a period that basically lasted only two days i been feeling different changes in my body and my fiance has been feeling nausea for the past couple of days could i be pregnant i have looked up symptoms of early pregnancy and i match more than half but i feel doubtful because of the bleeing [ Disease ] most helpful answer i do not believe there is any scientific evidence that working with infants will cause breast enlargement i hope not since i take care of our one year old grand daughter twice a week if this assumption was true would not women in the child care industry all over the world have experienced this and be clamoring for a job there is likely another explanation for your breast enlargement