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| Description: In prenatal diagnosis, an embryo or fetus is tested before birth to screen for sex or genetic problems Noninvasive techniques include obstetric sonography Invasive procedures in which samples of tissue or blood are taken involve risks to mother and fetus Fetoscopy Amniocentesis Chorionic villus sampling (CVS) Picture Stats: Views: 45 Filesize: 372.24kB Height: 1134 Width: 1132 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48671 |