Scientific tests of letrozole in animal types have proven that it causes congenital anomalies if used all through pregnancy, but there have been no research of this drug in pregnant Ladies.11, 13 Because anti-androgens can cause congenital anomalies, they will often be taken with oral contraceptives to prevent pregnancy.fourteen Be https://monobookmarks.com/story19133014/a-review-of-what-is-the-root-cause-of-pcos