Decreasing serum levels of sex hormone-binding globulin around the menopause and temporary relation to changing levels of ovarian steroids, as demonstrated in a longitudinal study.

Abstract:

:Blood samples collected longitudinally in 17 women over a period of 3 years, starting 11/2 years before the menopause, were assessed for sex hormone-binding globulin (SHBG), 17 beta-estradiol (E2), progesterone, and total testosterone. A slight (7.2%) decrease in mean SHBG from 4.25 +/- 1.67 (standard deviation) mg/l to 3.95 +/- 1.61 mg/l was observed within the 6-month period encompassing the menopause. More specifically, the decrease appeared to commence at the menopause and to become clearly significant (P = 0.01) some 2 to 6 months later. During the subsequent year, a further decrease to 3.64 +/- 1.42 mg/l was observed, amounting to a total decrease in mean SHBG by 14.4% (P less than 0.001). Of the hormones, only E2 exhibited a marked decrease (P less than 0.01) within this same 6-month period. The changes in SHBG during the 6-month transition period from premenopause to postmenopause correlated significantly (P = 0.013) only with those of E2. It is concluded that decreasing E2 levels appear to play a significant role in the downward modulation of SHBG levels commencing at the menopause.

journal_name

Fertil Steril

journal_title

Fertility and sterility

authors

Gershagen S,Doeberl A,Jeppsson S,Rannevik G

doi

10.1016/s0015-0282(16)60609-x

subject

Has Abstract

pub_date

1989-04-01 00:00:00

pages

616-21

issue

4

eissn

0015-0282

issn

1556-5653

pii

S0015-0282(16)60609-X

journal_volume

51

pub_type

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