LH
Also known as Luteinizing Hormone
What it is
Luteinizing Hormone is produced by the pituitary gland and works alongside FSH to regulate ovulation and the menstrual cycle.
Why it matters
LH surges shortly before ovulation, and its baseline level, along with its ratio to FSH, is one of the markers used to help characterize menstrual cycle patterns and conditions like polycystic ovary syndrome, where the ratio is often altered. Like FSH, it rises as ovarian reserve declines, so the two are usually read together as part of the broader hormone panel rather than in isolation.
LH is one of the markers in Zaro's Signal panel and every tier above it.
This information is for educational purposes and is not a substitute for professional medical advice. Always talk to a physician about your specific results and health history.
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