smoking, weight gain, and nutrition during pregnancy.
D001835:Body Weight; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008429:Maternal Welfare; D009747:Nutritional Physiological Phenomena; D011247:Pregnancy; D011248:Pregnancy Complications / Q000503:physiopathology*; D014029:Tobacco Use Disorder / Q000503:physiopathology*