Medicine and Healthcare. Black stools can be due to iron supplements or excess iron in the diet. The most serious cause of black stools is bleeding in the GI tract, due to ulcers or some other cause. If the stool is black due to blood, it usually has a tarry feel. If there is just a black color, most likely it is not blood.
Yes, but most doctors will not do it that early. Yes, a vasectomy can be performed on an 18 year old, depending on the circumstances. Yes, a vasectomy can be performed on an 18 year old, depending on the circumstances. 1 year ago by Stephen F. Shaban, MD.
Cutting the risks after a vasectomy. Itâs important to use birth control for at least three months after vasectomy because sperm are still swimming around âdownstreamâ of the cut. At 12 weeks, it is a good idea for a man to get a follow-up test for sperm in his semen.