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Pregnancy
Gestational Age
First Pregnancy Trimester
Caesarean Section
Second Pregnancy Trimester
Clinical Competence
Maternal Welfare
Retrospective Studies
Pregnancy Outcomes
Prenatal Care
Obstetric Delivery
Ultrasonography, Prenatal
Prenatal Diagnosis
Obstetrics
Gynecology
Internship and Residency
Puerperal Disorders
Pregnancy Complications, Cardiovascular
Thyrotropin
Thyroxine
Co-Publications
10
5
4
3
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