OBSTETRICS

Patterns of Inheritance

Jan 12, 2019 by in OBSTETRICS Comments Off on Patterns of Inheritance

PRINCIPLES OF MENDELIAN INHERITANCE Print Section Listen Mendelian disorders result from a mutation at a single genetic locus. A locus may be present on an autosome or on a sex…

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Preconception Counseling

Jan 12, 2019 by in OBSTETRICS Comments Off on Preconception Counseling

INTRODUCTION Print Section Listen Case 1: Ms. Meckel is a 25-year-old whose first and only pregnancy ended in a full-term normally grown infant with a large skin-covered encephalocele. The infant…

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Common Chromosomal Abnormalities

Jan 12, 2019 by in OBSTETRICS Comments Off on Common Chromosomal Abnormalities

INTRODUCTION Print Section Listen Case 1: A 25-year-old patient presents to you for counseling. She underwent chorionic villus sampling and the chromosomal analysis revealed trisomy 21. How do you counsel…

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Taking a Family History

Jan 12, 2019 by in OBSTETRICS Comments Off on Taking a Family History

INTRODUCTION Print Section Listen Case 1: A 30-year-old G3P2 presents for her new OB visit at 10 weeks’ gestation. She has had two full-term uncomplicated vaginal deliveries. Her second child,…

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Organization and Structure of Human Chromosomes

Jan 12, 2019 by in OBSTETRICS Comments Off on Organization and Structure of Human Chromosomes

INTRODUCTION Print Section Listen The human genome is comprised of nuclear DNA sequences, tightly packed into distinct subunits called chromosomes and hundreds to thousands of circular DNA molecules within the…

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Gene Structure and Function

Jan 12, 2019 by in OBSTETRICS Comments Off on Gene Structure and Function

INTRODUCTION Print Section Listen Knowledge of the genetic basis of health and disease has increased dramatically in the last 20 years. The first draft of the sequence of the human…

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Abnormal Placentation

Jan 12, 2019 by in OBSTETRICS Comments Off on Abnormal Placentation

BACKGROUND Print Section Listen Placenta accreta is a potentially life threatening condition that continues to challenge the medical field. The prevalence has been on a steady rise over the last…

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Anesthesia for the Complicated Obstetric Patient

Jan 12, 2019 by in OBSTETRICS Comments Off on Anesthesia for the Complicated Obstetric Patient

INTRODUCTION Print Section Listen A thorough understanding of the nature of the parturient’s pain is the first aspect in providing optimal obstetric anesthetic care. Once the biology and pathophysiology of…

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Respiratory Emergencies During Pregnancy

Jan 12, 2019 by in OBSTETRICS Comments Off on Respiratory Emergencies During Pregnancy

INTRODUCTION Print Section Listen Respiratory complications during pregnancy are not unusual and can be life threatening. A careful interview and physical examination, a chest x-ray, and an arterial blood analysis…

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