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El Mahdi, Essam, Fekry, Nabil, Ahmed, Mohamed and Ghebremeskel, Kebreab (2022) Testosterone, sex hormone-binding globulin and dehydroepiandrosterone levels and cervical length of Egyptian women with a history of recurrent miscarriages, polycystic ovary syndrome and without the conditions at three stages of pregnancy. Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology, 43 (1). pp. 1-7. ISSN 1364-6893
Total testosterone (TT), sex hormone-binding globulin (SHBG), dehydroepiandrosterone (DHEA) levels, and cervical length (CL) were investigated in pregnant Egyptian women with polycystic ovary syndrome (PCOS, = 38), history of miscarriages (RM, = 40) and without the conditions (HC, = 40). At week 8, the RM had lower levels of TT ( 0.000) and free androgen index (FAI) ( = 0.000) and higher SHBG ( = 0.000) and DHEA ( < 0.05) than the PCOS. Compared with the HC, they had elevated SHBG ( < 0.05) and DHEA ( = 0.001) and reduced CL ( = 0.000). TT ( = 0.001) and FAI ( = 0.000) were higher and SHBG ( = 0.000) and CL ( = 0.001) lower in the PCOS than in the HC group. At week 16, TT ( = 0.000) and FAI ( = 0.000) were higher, and SHBG ( = 0.000) and CL ( < 0.05) lower in PCOS than in RM and HC. The PCOS had elevated FAI than the RM ( = 0.000) and HC ( = 0.001) at week 20. The DHEA, SHBG and CL abnormalities in PCOS and RM may compromise pregnancy outcomes.IMPACT STATEMENT Hyperandrogenaemia, low sex hormone-binding globulin (SHBG), shortened cervical length (CL) and polycystic ovary syndrome (PCOS) are the most cited risk factors for recurrent miscarriages (RM). However, the published data are inconsistent, perhaps because of the confounding effects of ethnicity and nutritional milieu. The study's findings comprising ethnically and socially homogenous women demonstrate that PCOS and RM are characterised by elevated dehydroepiandrosterone (DHEA) and shortened CL, and PCOS by reduced SHBG. These abnormalities would be expected to have an adverse impact on pregnancy outcomes. Twenty-weeks DHEA and CL values have the potential to predict outcome risk in women with a history of RM and PCOS. Further research on other population groups is required to validate the current study's findings.
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