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Clinical Trial Summary

The purpose of this study is to determine a threshold value of fetal anogenital distance in 2D ultrasound to differentiate male fetuses from female fetuses, starting 18 weeks of gestation and until the due date. The study also evaluates the feasibility of the measure and its interobserver variability.


Clinical Trial Description

The anogenital distance of female newborns is shorter than that of male newborns. Urogenital disorders, such as hypospadias and micro-penis, are associated with a shorter anogenital distance. Anogenital distance is a good marker of fetal exposure to androgenic substances. Prenatal anogenital distance ultrasound measure can help the diagnosis in case of doubt about fetal sexual phenotype or in case of urogenital disorder suspicion (hypospadias or micropenis). Is the anogenital distance easy to make measure? Can this procedure be reproduced? What are the threshold values to determine fetal sex at each term of pregnancy? ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03898440
Study type Observational
Source University Hospital, Brest
Contact
Status Completed
Phase
Start date April 15, 2019
Completion date September 4, 2021

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