Is Adherence to the Provisional Institute of Medicine Guidelines of Weight Gain Associated With Better Perinatal Outcomes? A Retrospective Cohort Study of Twin Pregnancies in Southwest China.

The applicability of the Institute of Medicine (IOM) recommendations of gestational weight gain (GWG) for Chinese twin gestations is uncertain. In this article, we aimed to investigate the associations between GWG among twin gestations, as categorized according to the 2009 IOM guidelines and perinatal outcomes in Chengdu, China. A retrospective cohort study of pregnant women delivering live twins ≥28 weeks at a tertiary maternal and child hospital was conducted.

WeChat-based intervention to support breastfeeding for Chinese mothers: protocol of a randomised controlled trial.

Background: Exclusive breastfeeding for the first 6 months of life is the optimal way to feed infants. However, recent studies suggest that exclusive breastfeeding rates in China remain low and are well below the recommended target. There has been evidence that a lack of awareness of, or exposure to, breastfeeding information is associated with poor breastfeeding practices.

Prevention of recurrent miscarriage in women with antiphospholipid syndrome: A systematic review and network meta-analysis.

Objectives: To compare and rank currently available pharmacological interventions for the prevention of recurrent miscarriage (RM) in women with antiphospholipid syndrome (APS).

Methods: A search was performed using PubMed, Embase, the Cochrane Central Register of Controlled Trials, Web of Science, CNKI, ClinicalTrials.gov, and the UK National Research Register on December 15, 2019.

Vertical Transmission of Severe Acute Respiratory Syndrome Coronavirus 2: A Systematic Review.

Objective: The aim of this study is to summarize currently available evidence on vertical transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

Study Design: A systematic review was conducted following the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-analysis Statement.

Results: A total of 22 studies comprising 83 neonates born to mothers diagnosed with coronavirus disease 2019 were included in the present systematic review.

Coronavirus disease 2019 (COVID-19) and pregnancy: a systematic review.

Objective: To summarize currently available evidence on maternal, fetal, and neonatal outcomes of pregnant women infected with Coronavirus Disease 2019 (COVID-19).

Material And Methods: PubMed, Google Scholar, CNKI, Wanfang Data, VIP, and CBMdisc were searched for studies reporting maternal, fetal, and neonatal outcomes of women infected with COVID-19 published from 1 January 2020 to 26 March 2020. The protocol was registered with the Open Science Framework (DOI: 10.