title: Effect of diagnostic ultrasound on maternal and fetal chromosomes.
mesh_terms: D000028:Abortion, Induced; D002842:Chromatids / Q000293:injuries; D002869:Chromosome Aberrations; D005260:Female; D005333:Fetus; D006801:Humans; D008214:Lymphocytes / Q000293:injuries; D008431:Maternal-Fetal Exchange; D008938:Mitosis; D011247:Pregnancy; D013997:Time Factors; D014465:Ultrasonics / Q000009:adverse effects; D014463:Ultrasonography