24 citations,
July 1980 in “Journal of Toxicology and Environmental Health” High doses of norethindrone acetate in rats caused various organ changes but didn't significantly increase tumor rates.
71 citations,
February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
47 citations,
May 2002 in “Journal of Cutaneous Medicine and Surgery” Pregnancy can cause normal skin changes that usually go away after childbirth and don't need treatment.
July 2015 in “Cambridge University Press eBooks” The document concludes that careful history and physical exams are crucial for accurately diagnosing polycystic ovary syndrome and distinguishing it from other similar conditions.
6 citations,
May 1941 in “Science” Ducks can get the Rous sarcoma virus if infected shortly after birth, leading to tumors and disease spread.