הלית, האמת שכל מאמר שמדבר על עלייה במשקל בהריון מציין זאת, הנה כמה דוגמאות
כותרת:
women who start pregnancy underweight or who don't gain enough during pregnancy are at higher risk of delivering a preterm infant or a low-birth-weight baby (under 5.5 pounds). Preterm birth can cause health problems or even be fatal for the baby if it happens too early.
עוד אחד Certain pregnancy complications, such as preeclampsia and gestational diabetes, can also trigger early labor, as can beginning a pregnancy overweight or significantly underweight, and/or gaining too much or too little weight during pregnancy.