Giving pregnant women oxygen during childbirth 'often unnecessary'

[السياسي]

Researchers at Washington University School of Medicine in St Louis found no clear benefit in the majority of cases to providing extra oxygen.

https://www.dailymail.co.uk/sciencetech/article-9111497/Giving-pregnant-women-oxygen-labour-delivery-unnecessary.html?ns_mchannel=rss&ito=1490&ns_campaign=1490 ]قرااء المزيد ..... [/url]