It is generally accepted that pregnancy is 'protective' in that it re... <a href="http://www.bio-medicine.org/inc/biomed/medicine-news.asp">http://www.bio-medicine.org/inc/biomed/medicine-news.asp</a> http://feeds.bio-medicine.org/latest-medical-newsDate:3/7/2012 d be the increase in estrogen during pregnancy or the effect pregnancy has on inflammatory genes involved in MS.The study was funded by the National Multiple Sclerosis Society and other organizations.Women a