Lean women with a bmi less than have increased risks of preterm delivery and delivering a low-birth weight infant. a. 20 kg/m2 b. 25 kg/m2 c. 30 kg/m2 d. 40 kg/m2

Teenagers and children need sleep. teens need at-least 8-9 hours of sleep. kids need   at-least 10-11 hours of sleep depending on what time they go to sleep. sleep is very important for anyone of any age. read more on -