Patil, A. D.; Chauhan, S. L.; Pasi, A. R.; Gajbhiye, R. K.; Singh, S.; Sud, C.; Khan, R.; Shah, J. S.; Shah, D. S.; Patki, A. S.; Narvekar, N. M.; Khot, S. S. Preterm Birth Among Pregnancies Conceived by Assisted Reproduction Techniques in Mumbai, Maharashtra, India. Int J Reprod Contracept Obstet Gynecol 2018, 7, 1548-1553.