I got steroids at 31 weeks with my daughter but they were watching me for preterm birth but held off until they thought i was extremely possible that i would go before 37 weeks and I did go at 35 weeks after 4 weeks of bedrest. the side effects for you are nothing serious.. the inj. burns, you wantt o eat 24/7 and i gained like 10 pounds in a week! lol.. but its whats best for baby that they are l