Sho Koyanagi

No ORCID on file · 1 paper in corpus

observational 2026

Evaluating the Risk of Ischemic Stroke With Low-Dose Combined Oral Contraceptives in Women With Migraine: A Nationwide Claims Database Study

The journal of obstetrics and gynaecology research ·doi:10.1111/jog.70441

AIM: Combined oral contraceptives (COCs) are often avoided in women with migraine because of concerns about ischemic stroke. However, the risk associated with low-dose and ultra-low-dose COCs remains unclear. We aimed to evaluate the risk o…