title: Evaluation of chorionic villus sampling safety: WHO/PAHO consultation on CVS.
mesh_terms: D015193:Chorionic Villi Sampling / Q000009:adverse effects*; D005069:Evaluation Studies as Topic; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis* / Q000235:genetics; D006801:Humans; D017880:Limb Deformities, Congenital / Q000453:epidemiology / Q000209:etiology*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012042:Registries; D014944:World Health Organization