Uterus, contraction of the
(1) they cause the cervix to thin and dilate (open); and (2) they help the baby to descend into the birth canal.
Uterine contractions also occur during the monthly menstrual cycle and are recognized as menstrual cramps.
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- Uterus, prolapsed
A uterus that has moved from its normal position in the abdominal cavity into a different position, usually a lower position. Prolapsed uterus may occur because of underlying weak muscles or simply as a result of repeated term pregnancies. It can sometimes interfere with conception, cause difficulties during pregnancy, and contribute to pelvic pain. A […]
- Uterus, tipped
A slight to dramatic placement of the uterus that orients it toward the back. A tipped uterus is common and usually causes no difficulty. In severe cases, it can affect choice of birth control method and cause pain in the pelvic area, especially during intercourse. Also known as uterine retroversion.
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Urinary tract infection in children.
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In the analysis of health outcomes, a number between 0 and 1 that is assigned to a state of health or an outcome. Perfect health has a utility value of 1. Death has a utility value of 0.
- UV radiation
Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun, can burn the skin, and cause skin cancer. UV radiation is made up of three types of rays — ultraviolet A (UVA), ultraviolet B (UVB), and ultraviolet C (UVC). UVC is the most dangerous type of ultraviolet light but cannot […]