Fertility and sterility · 1995
Effects of previous use of oral contraceptives on early follicular phase follicle-stimulating hormone.
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Barbieri R L, Gao X, Xu H, Cramer D W
Аннотация
OBJECTIVE: To determine if previous oral contraceptive (OC) use is associated with changes in early follicular phase FSH, LH or E2.
DESIGN: A cross-sectional study examining determinants of early follicular phase hormone levels.
SUBJECTS: Subjects included 106 premenopausal women with a family history of ovarian cancer and 116 premenopausal women without this history who were not taking OCs currently. All subjects completed a structured interview and gave an early follicular phase blood sample.
SETTING: Gynecologic Epidemiology Center and Familial Ovarian Cancer Research Center.
MAIN OUTCOME MEASURES: Follicle-stimulating hormone, LH, and E2 were measured in early follicular phase plasma samples.
RESULTS: Recency or length of prior OC use did not affect early follicular phase LH or E2 levels. Length of OC use did not affect FSH levels in all subjects; but lower levels of FSH were observed in women over age 45 who had used OCs for > 5 years. Early follicular phase FSH is lower in women with OC use within the past 5 years compared with women with more remote use or who never used OCs, after adjustment for age, smoking, and family history status.
CONCLUSIONS: Past use of OCs may have a residual effect on basal FSH levels in women not using them currently that depends on recency of use and to a lesser extent duration of prior use.
DESIGN: A cross-sectional study examining determinants of early follicular phase hormone levels.
SUBJECTS: Subjects included 106 premenopausal women with a family history of ovarian cancer and 116 premenopausal women without this history who were not taking OCs currently. All subjects completed a structured interview and gave an early follicular phase blood sample.
SETTING: Gynecologic Epidemiology Center and Familial Ovarian Cancer Research Center.
MAIN OUTCOME MEASURES: Follicle-stimulating hormone, LH, and E2 were measured in early follicular phase plasma samples.
RESULTS: Recency or length of prior OC use did not affect early follicular phase LH or E2 levels. Length of OC use did not affect FSH levels in all subjects; but lower levels of FSH were observed in women over age 45 who had used OCs for > 5 years. Early follicular phase FSH is lower in women with OC use within the past 5 years compared with women with more remote use or who never used OCs, after adjustment for age, smoking, and family history status.
CONCLUSIONS: Past use of OCs may have a residual effect on basal FSH levels in women not using them currently that depends on recency of use and to a lesser extent duration of prior use.