Another year best rx promotions Oster: One thing that came up that I found quite surprising is that a number of women that I knew who have been pregnant were put on bed rest. When I started looking into that more I found the evidence doesn't really support any benefit from bed rest in terms of preventing preterm labor. I think that lately doctors have started moving away from that pretty extensively. It has some negative impact, particularly around issues of muscle atrophy and other medical reasons.