Associations of breastfeeding history with metabolic syndrome and cardiovascular risk factors in community-dwelling parous women: The Japan Multi-Institutional Collaborative Cohort Study

Takashi MatsunagaID 1☯*, Yuka Kadomatsu, Mineko Tsukamoto, Yoko Kubo, Rieko Okada, Mako Nagayoshi, Takashi Tamura, Asahi Hishida, Toshiro Takezaki, Ippei Shimoshikiryo, Sadao Suzuki, Hiroko Nakagawa, Naoyuki Takashima, Yoshino Saito, Kiyonori Kuriki, Kokichi Arisawa, Sakurako Katsuura-Kamano, Nagato Kuriyama, Daisuke Matsui, Haruo Mikami, Yohko Nakamura, Isao OzeID , Hidemi Ito, Masayuki Murata, Hiroaki Ikezaki, Yuichiro NishidaID , Chisato Shimanoe, Kenji Takeuchi, Kenji Wakai1☯