Vasa previa is a rare condition in which fetal intramembranous blood vessels traverse the fetal membranes across the lower segment of the uterus between the fetus and the cervical opening. These vessels may be torn at the time of labor, delivery or when the membranes rupture. It has a high fetal mortality because of the bleeding that follows. Transvaginal color flow Doppler ultrasound is often used for diagnosis. The Diseases Database is a free website that provides information about the relationships between medical conditions, symptoms, and medications. ... The arterial system The blood vessels are part of the circulatory system and function to transport blood throughout the body. ... The uterus or womb is the major female reproductive organ of most mammals, including humans. ... A human fetus A fetus (or foetus, or fœtus – see below) is a developing mammal after the embryonic stage and before birth. ... Schematic frontal view of female anatomy The cervix (from Latin neck) is the lower, narrow portion of the uterus where it joins with the top end of the vagina. ... Childbirth in a hospital. ...
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