Unopposed estrogen
Medical term · U
Estrogen taken without an accompanying progestogen.
Related terms
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ProgestogenA synthetic hormone, similar to progesterone. It thickens the mucus around the cervix, making it difficult for sperm to get into the womb or for a fertilized egg to implant in the…
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EstrogenA female sex hormone produced by the ovaries as part of the menstrual cycle. It encourages an egg to mature and prepares the womb for a pregnancy. Levels vary during the menstrual…
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Umbilical cord (umbilicus)The cord that connects a mother’s blood system with a baby’s (through its navel) and which is cut after the birth.