 [ Symptoms ] pregnant  unprotected sex the 7th period due the 26th but days later there was brown and red spotting when i wiped i took a pregnancy test the following week but it was negative am i pregnant [ Disease ] hives indicate an allergy so it could be caused from anything in his environoment    something that he has touched aundry detergent dryer softeners soap etc  or breathed dust pollens etc it does not have to be related to breast feeding at all finding a specific cause is often impossible while you were carrying your son you might have got an allergic reaction through a food instead of it infecting you it ran to your bany and produced over the months