What causes underdeveloped breasts in a woman with pcos? current biochem abnorm are high lh vit d defic, sometimes low estro and prog. testos normal!

Lack of E2 ; P: Pcos is chronic anovulation with finding on ultrasound showing many underdeveloped follicles(eggs) . Sometimes called a string of pearls look. Without stimulus to the follicles they do not mature and make estrogen then without the adequate estrogen no ovulation occurs and then the ovary doesn't make enough progesterone. Those two hormones are necessary for secondary breast development.