Assertion: oral contraceptive | /r/MadeOf | doses of estrogen
Facets:
Source sentences:
text: However, these early oral contraceptives contained doses of estrogen that were too high, resulting in such side effects as weight gain, bloating, edema, painful swelling in the breasts, profuse and irregular vaginal bleeding, and hyperplasia, an overgrowth of the uterine lining that can lead to cancer.