Gynaecology & Obstetrics General cae060b7 Endometrial implants are deficient in which enzyme A Aromatase B 17 β - hydroxysteroid dehydrogenase type 2 C 17 β - hydroxysteroid dehydrogenose type 1 D 17 α - hydroxylase High-Yield Explanation 17 β - hydroxysteroid dehydrogenase type 2,which inactivates estrogen is absent in endometrial implants.