Glossary
Luteal Phase
The postovulation phase of the menstrual cycle. "Luteal phase defect" refers to the inadequate production of hormones during this phase to support a pregnancy.
Luteinizing Hormone (LH)
A pituitary hormone that stimulates the gonads. In the man, LH is necessary for spermatogenesis and for the production of testosterone. In the woman, LH is necessary for the production of estrogen.
Luteinizing Hormone Surge (LH SURGE)
The release of luteinizing hormone (LH) that causes release of a mature egg from the follicle.