LONDON, England, Jan. 4 -- BMC Pregnancy and Childbirth, a peer-reviewed journal that says it features biomedical aspects of pregnancy, breastfeeding, labor, maternal health, maternity care, trends and sociological aspects of pregnancy and childbirth, published research articles on the following topics in its 2023 annual edition:

* Epidemiology and factors associated with preterm births in multiple pregnancy: a retrospective cohort study

* Evaluation of critical congeni . . .

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