NCBI Bookshelf. Baron S, editor. Medical Microbiology. Symptoms correlate with worm load:light loads are asymptomatic; heavier loads cause abdominal symptoms, diarrhea, and sometimes malnutrition. A bolus of worms may obstruct the intestine.

A period is a release of blood from a girl's uterus , out through her vagina. It is a sign that she is getting close to the end of puberty. Most girls get their first period when they're around

Sexually transmitted diseases STDs or infections STIs can affect anyone, but the signs and symptoms can be different in males and females. When a person with an STI receives treatment early, the outlook is usually excellent. In this article, we look at some of the most common STIs in males. We also explore the symptoms, signs, treatments, and best methods of prevention. In some cases, an STI causes no noticeable symptoms, so it is possible to have one without knowing it.