Dietary, Lifestyle and Lactation with the Menstruation in Puerperium : A Eighteen-month Follow-up Study in Miyagi Prefecture

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In this follow-up study, we investigated the relationship of dietary, lactation and menstruation in pueroerium for 18 months. In 12 months postpartum, a breastfeed rate was 66.7% and a menstrual period rate was 75%. Subjects were classified into two groups ; breastfeed and non-breastfeed. In non-breastfeed, association with some food was observed. In 3 month postpartum, a significant decreased risk associated with Sugar was observed(OR0.03, 95%CI0.10-0.86). In addition, a significant increased risk associated with Potatoes, Sea algae, Milk/dairy products, Fats/oils and Confections were observed (OR1.07,95%CI1.01-1.13 OR1.17, 95%CI0.99-1.37, OR1.02,95%CI1.00-1.04, OR4.43 95%CI0.95-20.57,OR1.10, 95%CI1.00-1.20) in 6 months postpartum.