Katayun Dattatraya Virkar (4 August 1918 â 28 July 2011) was an Indian physician and medical researcher, head of the contraception division at India's National Institute of Research on Reproductive Health (NIRRH).
Virkar was born in Bombay (now Mumbai). She earned a medical degree at the University of Mumbai in 1946. She held a Technical Assistance Fellowship from the Population Council, to study obstetrics and gynaecology at the University of Michigan Medical Center in the United States in 1964.
Virkar's early career included hospital positions in Surat and Pune. She was a reproductive physiology researcher at the Indian Cancer Research Center. Virkar's research concerned the physiological effects of contraceptive methods, including intrauterine devices and hormonal contraceptives in pill, implant, and injection forms. She was head of the contraception division at the National Institute for Research on Reproductive Health (NIRRH) in Mumbai, and active in the Family Planning Association of India (FPAI). In the 1980s she did research for the World Health Organization's Task Force on Oral Contraceptives.
Virkar's research was published in international scholarly journals, including Contraception,Fertility and Sterility, Journal of Obstetrics and Gynaecology of India, Indian Journal of Medical Research, Journal of Reproduction and Fertility, Journal of Family Welfare, and American Journal of Obstetrics and Gynecology.
Virkar was a member of the council of the Indian Academy of Cytologists, and presented the academy's 1979 oration, on the subject "Review of Vaginocervical Cytology with Exogenous Estrogens and Progestins". She held memberships in the Bombay Obstetrics and Gynaecology Society, the Fertility and Sterility Association, the All-India Medical Women's Association, and Friends of Trees.
Virkar was married to a fellow doctor, and had two sons, Jeevan and Prakash. She died in 2011, in India, at the age of 92.