[Ultrasonography as a safe method for diagnosis of cervix incompetence in pregnancy].
D000328:Adult; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D012449:Safety; D014463:Ultrasonography; D002581:Uterine Cervical Incompetence / Q000175:diagnosis*
Ultrasonografia jako bezpieczna metoda diagnostyczna niewydolności szyjkowej w ciazy.