Chapter·AnatomyEmbryology

Teratogens and critical periodsDownloads

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1

A 31-year-old G1P0000 presents to her obstetrician for her first prenatal visit after having a positive home pregnancy test one week ago. She states that her last menstrual period was 8 weeks ago. The patient has a past medical history of type I diabetes mellitus since childhood and is on insulin. Her hemoglobin A1c two weeks ago was 13.7%. At that time, she was also found to have microalbuminuria on routine urinalysis, and her primary care provider prescribed lisinopril but the patient has not yet started taking it. The patient’s brother is autistic, but family history is otherwise unremarkable. At this visit, her temperature is 98.6°F (37.0°C), blood pressure is 124/81 mmHg, pulse is 75/min, and respirations are 14/min. Exam is unremarkable. This fetus is at increased risk for which of the following?

APost-term delivery

BOligohydramnios

CNeural tube defect

DAneuploidy

ENeonatal hyperglycemia

2

A 27-year-old P1G1 who has had minimal prenatal care delivers a newborn female infant. Exam reveals a dusky child who appears to be in distress. Her neck veins are distended and you note an enlarged v wave. She has a holosystolic murmur. Following echocardiogram, immediate surgery is recommended. For which of the following conditions was the mother likely receiving treatment during pregnancy?

ABipolar disorder

BHypothyroidism

CDepression

DHypertension

EDiabetes

3

A 26-year-old woman with poor prenatal care and minimal antenatal screening presents to the emergency department in labor. Shortly thereafter, she delivers a baby girl who subsequently demonstrates symptoms of chorioretinitis on examination. A series of postpartum screening questions is significant only for the presence of multiple cats in the mother’s household. The clinical team orders an enhanced MRI examination of the infant’s brain which reveals hydrocephalus, multiple punctate intracranial calcifications, and 2 sub-cortical ring-enhancing lesions. Which is the most likely diagnosis?

ARubella

BSyphilis

CCMV

DHSV

EToxoplasmosis

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