Hyperreactio luteinalis encountered during caesarean delivery of an uncomplicated spontaneous singleton pregnancy.

We report a rare case of hyperreactio luteinalis presenting as an incidental finding during caesarean section in an uncomplicated spontaneous singleton pregnancy. Caesarean section was performed due to failure to progress in labour, and delivered a healthy male neonate. The mother's analytical tests revealed a hyperandrogenic state without any other relevant alterations. Ovarian volume and testosterone serum concentration normalised in 2 months. The expectant management of this case permitted conservation of both ovaries in a young woman without adding morbidity.