Omega-3 fatty acids are effective in preventing early and any preterm delivery. The internvention is simple and easily available and has the potential to influece population based strategies in the prevention of preterm birth.
Link to Publication: http://www.sciencedirect.com/science/article/pii/S0301211515004327
Kar S, et al. Effects of omega-3 fatty acids in prevention of early preterm delivery: a systematic review and meta-analysis of randomized studies. European Journal of Obstetrics & Gynecology Reproductive Biology. 2016;198:40-46.