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.
1 Amniocentesis can also be used to determine the maturity of the lungs of the fetus or the cause of unknown fever in the mother. 2  For genetic testing, chromosome analysis, and the evaluation of an abnormal alpha feto-protein test, amniocentesis is usually performed between the 16th and 21st weeks of pregnancy.mniocentesis is a procedure whereby a sample of fluid is removed from the amniotic sac for analysis. The amniotic sac is in the uterine cavity. The amniotic sac is the fluid-filled structure inside a pregnant woman's uterus within which the baby lives. Fetal cells, proteins, and fetal urine freely move within this sac.