^ Emadian A, Andrews RC, England CY, Wallace V, Thompson JL (November 2015). "The effect of macronutrients on glycaemic control: a systematic review of dietary randomised controlled trials in overweight and obese adults with type 2 diabetes in which there was no difference in weight loss between treatment groups". The British Journal of Nutrition. 114 (10): 1656–66. doi:10.1017/S0007114515003475. PMC 4657029. PMID 26411958.
That call went unheeded, however, as preventative has managed to survive as a variant, albeit a much less popular one. A search on the Corpus of Contemporary American English finds preventive beating preventative by a ratio of about 6 to 1 in current written usage, across both academic and nonacademic texts. You can still get away with using preventative in standard English, but that extraneous syllable won't gain you anything, other than disdain from the sticklers.
^ Ahlqvist, Emma; Storm, Petter; Käräjämäki, Annemari; Martinell, Mats; Dorkhan, Mozhgan; Carlsson, Annelie; Vikman, Petter; Prasad, Rashmi B; Aly, Dina Mansour (2018). "Novel subgroups of adult-onset diabetes and their association with outcomes: a data-driven cluster analysis of six variables". The Lancet Diabetes & Endocrinology. 0 (5): 361–369. doi:10.1016/S2213-8587(18)30051-2. ISSN 2213-8587. PMID 29503172.
He asked and then demanded that the 200 or so chairs in the middle of the auditorium be rearranged. This required summoning the fire marshal (as the aisle was a matter of code) who insisted that no changes could be made. Brand held his ground. Event planners gathered around him trying to talk him down. Even if it weren’t for the fire code, moving the chairs at this point would have to be done by union workers and would take time. The audience was waiting outside baking in the sun, Hoess, Wanderlust’s CEO, reminded Brand. But he was insistent. I sensed he was willing to threaten to not go on at all when the organizers finally broke down and agreed to move the chairs.
Though it may be transient, untreated GDM can damage the health of the fetus or mother. Risks to the baby include macrosomia (high birth weight), congenital heart and central nervous system abnormalities, and skeletal muscle malformations. Increased levels of insulin in a fetus's blood may inhibit fetal surfactant production and cause infant respiratory distress syndrome. A high blood bilirubin level may result from red blood cell destruction. In severe cases, perinatal death may occur, most commonly as a result of poor placental perfusion due to vascular impairment. Labor induction may be indicated with decreased placental function. A caesarean section may be performed if there is marked fetal distress or an increased risk of injury associated with macrosomia, such as shoulder dystocia.
Family or personal history. Your risk increases if you have prediabetes — a precursor to type 2 diabetes — or if a close family member, such as a parent or sibling, has type 2 diabetes. You're also at greater risk if you had gestational diabetes during a previous pregnancy, if you delivered a very large baby or if you had an unexplained stillbirth.