Can being a blood donor effect an 18-year old underweight female's ability to become pregnant in the future?
How underweight are we talking? Most blood centers wont let you donate if you're under 110 lbs. You also have to have your hematocrit and vitals at a certain level. Ive never heard of blood donation affecting future pregnancy, and I worked at a donor facility for a while. However, I'm not a reproductive doctor, so I can't be certain.