Serum LH Concentration in Women under Contraceptive Treatment with Estrogen-Free Progestagens

Abstract

Serum LH levels were measured by a radioimmunoassay technique throughout the menstrual cycle in 17 untreated healthy women, 19 women on norethindrone enanthate (200 mg intramuscularly every 12 weeks) and 10 women receiving a continuous dose of 0.03 mg d-norgestrel daily.