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  • 1
    Electronic Resource
    Electronic Resource
    MATERNAL PLASMA ANDROGENS IN EARLY HUMAN PREGNANCY (1980)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 87 (1980), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Mean maternal plasma levels of testosterone, androstenedione, and 5 α-dihydro-testosterone were established from 4 to 16 weeks gestation from twice-weekly blood samples taken from 15 pregnant women. All three hormone levels were raised when compared with the non-pregnant state. There were significant differences in mean maternal plasma testosterone levels at 4 to 5 and 7 to 8 weeks gestation, when comparing women carrying male and female fetuses. Androstenedione levels in a twin pregnancy were increased throughout and testosterone levels were more than 1 SD above the mean from week 15. Steroid levels fell late in the two women who aborted. Hormone levels in three women being given progestogens were within normal limits.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1980.tb04603.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    AMNIOTIC FLUID TESTOSTERONE AND FETAL SEX DETERMINATION IN THE FIRST HALF OF PREGNANCY (1977)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 84 (1977), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The concentration of freely extractable testosterone in amniotic fluid was measured in 54 patients whose gestational ages ranged from 10 to 20 weeks; 31 of the fetuses were male and 23 were female. The mean amniotic fluid testosterone concentration was significantly higher with a male fetus than with a female fetus. On only 7 out of 31 occasions was the presence of a male fetus associated with amniotic fluid testosterone values below 100 pg/ml, whereas the values associated with a female fetus were never higher than 90 pg/ml. After 14 weeks gestation no amniotic fluid testosterone level was lower than 120 pg/ml in the presence of a male fetus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1977.tb12687.x
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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