title: Possible hazards of imaging and Doppler ultrasound in obstetrics.
mesh_terms: D000818:Animals; D002470:Cell Survival; D002986:Clinical Trials as Topic; D005314:Embryonic and Fetal Development; D005260:Female; D005333:Fetus; D006801:Humans; D066298:In Vitro Techniques; D009774:Obstetrics; D011247:Pregnancy; D014463:Ultrasonography / Q000009:adverse effects*