Early periods and changing fertility patterns may influence ovarian cancer risk
Medical Xpress
February 16, 2026
Ovarian cancer is still one of the deadliest gynecological cancers affecting women around the world, especially in East Asian countries, where the numbers keep rising year after year. A new nationwide study in South Korea analyzed more than 2 million women who were 40 years old or older to explore how reproductive experiences shape ovarian cancer risk in women born across four different decades, the 1930s to 1960s.
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Originally published on Medical Xpress on 2/16/2026