[Fetomaternal micro-passage of AFP and early amniocentesis].
D000649:Amniocentesis; D005260:Female; D006801:Humans; D008423:Maternal Age; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D018566:Pregnancy, High-Risk; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins
Micropassage foetomaternel de l'AFP et amniocentèse précoce.