Dr. Gianna R. Montenegro is a Gynecologist and Obstetrician in San Lorenzo, Makati and has an experience of 19 years in these fields. Dr. Gianna R. Montenegro practices at Makati Medical Center - Hall A 151 in San Lorenzo, Makati. She completed Doctor of Medicine from Ateneo De Manila University in 1993. She is a member of Philippine Obstetrics and Gynecology Society,Philippine Medical Association,Makati Medical Society and Makati Medical Center Medical Society. Some of the services provided by the doctor are: Cordocentesis,Artificial Insemination,In-Vitro Fertilization (IVF),Essure System and Mirena (Hormonal Iud) etc.