Cai S, Natarajan P, Chan JKY, Wong PC, Tan KH, Godfrey KM, Gluckman PD, Shek LPC, Yap F, Kramer MS, Chan SY, Chong YS. Maternal hyperglycemia in singleton pregnancies conceived by IVF may be modified by first-trimester BMI. Hum Reprod. 2017 Sep 1;32(9):1941-1947. doi: 10.1093/humrep/dex243. PubMed PMID: 28854717.