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THE HORMONAL SITUATION IN THE PERIMENOPAUSAL PERIOD

Abstract. Follicular function starts in the foetal ovary in the 20th week of gestation and continues until or shortly past the menopause. Luteal steroid production occurs only during the fertile period. After the menopause only stromal steroid production continues in the ovary and is probably increased by the increase in gonadotropin levels. The changes in hormonal levels and effects in the pre‐, peri‐ and postmenopausal years are described as a function of these changes.