Kyusaku Ogino (荻野 久作, Ogino Kyūsaku, 25 March 1882 – 1 January 1975) was a Japanese medical doctor specializing in obstetrics and gynecology. His natural...

method was independently discovered by Hermann Knaus (Austria), and Kyusaku Ogino (Japan). This system was a main form of birth control available to Catholic...

period of Japan Ogino Ginko (1851–1913), the first licensed and practicing woman physician of western medicine in Japan Kyusaku Ogino (1882–1975), Japanese...

showed that women only ovulate once per menstrual cycle. In the 1920s, Kyusaku Ogino, a Japanese gynecologist, and Hermann Knaus, from Austria, independently...

(1881–1964) Kunihiko Hashida (1882–1945) Takenoshin Nakai (1882–1952) Kyusaku Ogino (1882–1975) Gen-ichi Koidzumi (1883–1953) Makoto Nishimura (1883–1956)...

Koganei Yoshikiyo (1859–1944), anatomist and anthropologist, from Nagaoka Kyusaku Ogino (1882-1975), doctor specializing in obstetrics and gynecology, Niigata...

ovulate once per menstrual cycle. In the 1920s Japanese gynecologist Kyusaku Ogino and Austrian Hermann Knaus independently made the discovery that ovulation...

Shingo, Anzai Morio, Gondo Taketoshi, Mamegaki Taeko, Taeko's grandfather Kyusaku Mamegaki and Taeko's fiancé Shimazaki Yuji respectively. Later that night...