An otherwise healthy 2 month old girl was referred to the outpatient office for the vaginal finding seen below.

The next best step in managing this vaginal anomaly is
A pelvic ultrasound
B vaginoscopy and vaginostomy
C serum electrolytes
D topical estrogen
E systemic steroids
The next best step in managing this vaginal anomaly is
A pelvic ultrasound
B vaginoscopy and vaginostomy
C serum electrolytes
D topical estrogen
E systemic steroids
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