Fetal marking in utero.
D000653:Amniotic Fluid; D000818:Animals; D004396:Coloring Agents; D006224:Cricetinae; D003911:Dextrans; D005260:Female; D005333:Fetus / Q000033:anatomy & histology*; D008722:Methods; D011247:Pregnancy; D011817:Rabbits; D051381:Rats; D013194:Staining and Labeling
D004396:Coloring Agents; D003911:Dextrans