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A 3000 g female neonate was born at 40 weeks gestation by emergency caesarean. Antenatal sonography identified a left duplex kidney. At birth she showed an interlabial mass (figure 1) which was round, pale pink, 3 cm in diameter, and with a smooth surface. Vaginal introitus was overlapped by the …
Competing interests None.
Provenance and peer review Not commissioned; externally peer reviewed.
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