LH/FSH Ratio Calculator for PCOS

Calculates the LH to FSH ratio to support diagnosis of polycystic ovary syndrome (PCOS).

mIU/mL or IU/L
Day 2-3 of cycle preferred.
mIU/mL or IU/L
Day 2-3 of cycle preferred.
day
Early follicular phase (day 2-3) most accurate.

Enter values and click Calculate to see results

References

  1. Revised 2003 consensus on diagnostic criteria and long-term health risks related to polycystic ovary syndrome. Fertility and Sterility (2004). Link
  2. International evidence-based guideline for the assessment and management of PCOS. Monash University / ESHRE (2023). Link