Keyword Analysis & Research: corpus luteum lh

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What is the corpus luteum and what are its functions?

A corpus luteum is a mass of cells that forms in an ovary and is responsible for the production of the hormone progesterone during early pregnancy. The role of the corpus luteum depends on whether or not fertilization occurs.

What hormone causes the corpus luteum to remain active?

FSH in women stimulates the follicles in the ovary to ripen prior to ovulation. The surge of luteinizing hormone causes the release of one of these ripened eggs and the formation of the corpus luteum. Progesterone produced by the corpus luteum inhibits the release of FSH during the second half of a woman's cycle.

What hormones does corpus luteum secrete?

The corpus luteum secretes estrogens and progesterone. The latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. If the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

When does the corpus luteum go away?

This buildup causes what is called a corpus luteum cyst, which is a type of functional ovarian cyst. In most cases, corpus luteum cysts will go away on their own without treatment. Corpus luteum cysts may disappear in a few weeks or take up to three menstrual cycles to vanish altogether.

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