OBJECTIVE: To use a pilot study to investigate markers of the age-related decline in ovarian function of regularly menstruating normal women. DESIGN: Prospective. SETTING: Tertiary research center. PATIENT(S): Healthy volunteers (n = 42) aged 18 to 50 years who had regular ovulatory menstrual cycles and a prior pregnancy. INTERVENTION(S): A single 300-IU dose of human recombinant FSH on day 3 of the menstrual cycle. MAIN OUTCOME MEASURE(S): Antral follicle count by transvaginal ultrasound and basal and FSH-stimulated serum markers. RESULT(S): Age correlated most strongly with FSH-stimulated inhibin B (r = -0.660), followed by antral follicle count (r = -0.578), basal FSH (r = 0.509), basal Müllerian inhibiting substance (MIS; r = -0.468), and basal inhibin B (r = -0.358). Total antral follicle count correlated most strongly with basal MIS level (r = 0.642). CONCLUSION(S): Of the parameters tested, FSH-stimulated serum inhibin B level had the strongest correlation with age. Basal serum MIS level had the strongest correlation with total antral follicle count. We confirm a previous report that in normal women, the antral follicle count as determined by transvaginal ultrasound examination correlates better with age than do basal FSH and basal inhibin B levels.
OBJECTIVE: To use a pilot study to investigate markers of the age-related decline in ovarian function of regularly menstruating normal women. DESIGN: Prospective. SETTING: Tertiary research center. PATIENT(S): Healthy volunteers (n = 42) aged 18 to 50 years who had regular ovulatory menstrual cycles and a prior pregnancy. INTERVENTION(S): A single 300-IU dose of human recombinant FSH on day 3 of the menstrual cycle. MAIN OUTCOME MEASURE(S): Antral follicle count by transvaginal ultrasound and basal and FSH-stimulated serum markers. RESULT(S): Age correlated most strongly with FSH-stimulated inhibin B (r = -0.660), followed by antral follicle count (r = -0.578), basal FSH (r = 0.509), basal Müllerian inhibiting substance (MIS; r = -0.468), and basal inhibin B (r = -0.358). Total antral follicle count correlated most strongly with basal MIS level (r = 0.642). CONCLUSION(S): Of the parameters tested, FSH-stimulated serum inhibin B level had the strongest correlation with age. Basal serum MIS level had the strongest correlation with total antral follicle count. We confirm a previous report that in normal women, the antral follicle count as determined by transvaginal ultrasound examination correlates better with age than do basal FSH and basal inhibin B levels.
Authors: Ziad R Hubayter; Vaishali Popat; Vien H Vanderhoof; Obioma Ndubizu; Diane Johnson; Edie Mao; Karim A Calis; James F Troendle; Lawrence M Nelson Journal: Fertil Steril Date: 2009-11-25 Impact factor: 7.329
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Authors: Thomas W Kelsey; Phoebe Wright; Scott M Nelson; Richard A Anderson; W Hamish B Wallace Journal: PLoS One Date: 2011-07-15 Impact factor: 3.240
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Authors: K Lutchman Singh; S Muttukrishna; R C Stein; H H McGarrigle; A Patel; B Parikh; N P Groome; M C Davies; R Chatterjee Journal: Br J Cancer Date: 2007-05-29 Impact factor: 7.640