Cochrane.org is the website of The Cochrane Collaboration. They are an organization that is dedicated to improving healthcare decision-making globally, through systematic reviews of the effects of healthcare interventions. They do not accept "conflicted funding" and are funded through grants and donations.
What does this mean for you as a pregnant woman? It means that you have a place to go and find the studies to back up your choices! You can find out if your doctor's advice is based on the evidence! You can make your own best choices. The site is free. Check it out!