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We report a case of a male fetus of 20 weeks of gestation with plurimalformed observed by transonic scan and confirmed by MR. The karyotype was 46, XY. Molecular analysis showed a microdeletion of about 100 kb in the CTNNA3 gene.

Objective: the purpose of this paper is to report the first case of megaurethra in a fetus with Meckel syndrome and in a fetus with femal pseudoermaphroditism., Results: the former case refers to a fetus of 13 weeks gestation with the three following prominent anomalies, observed by transonic scan and confirmed by autopsy: congenital megaurethra, anal atresia, single umbelical artery. The latter case refers to a fetus of 18 weeks gestation. Autopsy confirmed penile malformation and revealed ovaries in the abdomen. The karyotype was 46,XX with normal molecular karytype. The megaurethra was discovered by sonography at 18 weeks gestation. Autopsy confirmed penile malformation and revealed ovaries in the abdomen. The karyotype was 46,XX with normal molecular karyotype (Array-CGH, 1 Mb of resolution)., Methods: transonic scan, autopsy, karyotype, array-CGH., Conclusions: the first prenatal cases of two genetic syndromes with megaurethra have been reported, concening respectively a fetus with Meckel syndrome and a fetus with femal pseudoermaphroditism. The latter was confirmed by both autopsy and the normal female 46,XX karyotype.