Is there nutritional mediation of the "smoking effect" on the fetus.
D001724:Birth Weight; D044383:Black People; D005260:Female; D005333:Fetus / Q000502:physiology*; D005865:Gestational Age; D006801:Humans; D008431:Maternal-Fetal Exchange; D009765:Obesity / Q000503:physiopathology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000503:physiopathology*; D012907:Smoking; D044465:White People