What are wet dreams? A wet dream is when you ejaculate while you're asleep. Ejaculate means to release semen (the fluid that contains sperm) from your penis. Usually, a wet dream happens while you're having a dream about sex. You may not even remember the dream. You don't have to masturbate to have a wet dream. You can ejaculate without touching your penis. What causes wet dreams? When you go through puberty, your body starts producing the male hormone testosterone.
A paracentesis is a procedure in which fluid is taken from the abdominal cavity. After the procedure, the fluids can be examined in the laboratory. Your doctor will use the information from these studies in your diagnosis.
Amniocentesis is a prenatal test in which a small amount of amniotic fluid is removed from the sac surrounding the fetus for testing. The sample of amniotic fluid (less than one ounce) is removed through a fine needle inserted into the uterus through the abdomen, under ultrasound guidance.