Longitudinal study of breastfeeding and growth in 0-6 month infants.

Background And Objectives: To explore advantages and challenges for exclusive breastfeeding (EBF), compared to non-exclusive breastfeeding (nEBF).

Methods And Study Design: Mothers from 7 cities in China were visited at 3, 10, 60, 120, and 180 days postpartum. Data about feeding practices, infant growth, and the macronutrient contents of human milk (HM) were collected.

[An epidemiological study on vitamin K deficiency bleeding in infants under six months].

Objective: To understand the incidence and relevant affecting factors of infant vitamin K deficiency bleeding (VKDB) in Shandong Province.

Methods: With stratified cluster sampling, 28 156 live newborns from five districts and six counties were surveyed for the condition of bleeding from their birth to 6 months based on standard diagnostic criteria. A 1:2 matched case-control study of VKDB was performed.