Which among the following is not naturally occurring estrogen?
Correct Answer: Diethylstilbestrol
Description: Estrone, Estradiol and Estriol are natural estrogens The biologically active estrogen is estradiol Estrone and estriol are weaker estrogens Adipose tissue and liver conve androstenedione into estrone Diethylstilbesterol is a synthetic, non-steroidal estrogen of the stilbestrol group. DES is known to cause clear cell carcinoma, a rare vaginal tumor in girls and women who had been exposed to this drug in utero. Ref: Shaw's Textbook of Gynaecology, 15th edition, page no: 309
Category:
Gynaecology & Obstetrics
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