WASHINGTON, Sept. 7 -- The Journal of Perinatal Medicine, a peer-reviewed journal from the World Association of Perinatal Medicine, International Academy of Perinatal Medicine, New York Perinatal Society and Society for the Fetus as a Patient, published research articles on the following topics in its Vol. 51, Issue 7 edition:

Review Article:

* Covid-19 vaccination and pregnancy: a systematic review of maternal and neonatal outcomes

* Improvised bubble con . . .

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