25 citations,
September 1977 in “Journal of Toxicology and Environmental Health” High doses of some contraceptive steroids cause health issues in dogs, but their relevance to humans is unclear.
41 citations,
February 1970 in “Archives of Dermatology” Oral contraceptives can cause skin issues like dark patches, acne, yeast infections, sensitivity to light, spider veins, skin rashes, and hair loss.