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Hemorrhage
Bleeding or flow of blood either internally or externally.
Hemorrhoid
Enlarged veins in the anus or rectum, generally caused by constipation or straining to have a bowel movement. Very common in pregnancy or after childbirth.
High-Risk Pregnancy
A pregnancy where there are complications or special circumstances that may require specific medical attention or bed rest.
Human Chorionic Gonadotrophin (hCG)
The hormone pregnancy tests look for, secreted by the placenta. This hormone prolongs the life span of the corpus luteum as well as stimulates production of progesterone, thereby creating the ideal environment for the embryo.
Hydramnios
The medical term for a condition which involves having too much amniotic fluid.
Hyperemesis
Extremely severe nausea ("morning sickness"), resulting in weight loss of five percent or more, ketosis, and electrolyte imbalance. It can lead to hospitalization if dehydration occurs.
Hypospadias
A congenital defect of the penis where the urethra is not at the tip of the penis, but rather in the shaft. Corrected surgically.
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