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Zorluk: KolayNormal Pregnancy and Prenatal Care

Match each routine prenatal clinical encounter or patient presentation with the most appropriate indicated screening test or clinical action.

  • Initial prenatal visit (typically 8 to 10 weeks gestation)Comprehensive serologic panel including HIV, hepatitis B, and syphilis screening
  • Routine prenatal care at 24 to 28 weeks gestation1-hour 50-g oral glucose challenge test
  • Rh(D)-negative, unsensitized patient at 28 weeks gestationProphylactic administration of anti-D immune globulin
  • Routine prenatal care at 35 to 37 weeks gestationRectovaginal swab for group B Streptococcus culture

Cevap

The correct matches align standard gestational age milestones with their universally indicated routine prenatal screening or prophylactic interventions.
The correct pairings reflect the standard timeline for uncomplicated prenatal care as recommended by major obstetric guidelines. Early comprehensive serology screens for congenital infections. Gestational diabetes screening occurs at 24 to 28 weeks when insulin resistance rises. Rh(D) prophylaxis is given at 28 weeks to prevent alloimmunization. Group B Streptococcus screening is done at 35 to 37 weeks to accurately guide intrapartum prophylaxis.

Adım Adım Çözüm

1
Identify the purpose of the initial prenatal visit in the first trimester.
The initial visit focuses on baseline maternal health, establishing gestational age, and screening for infectious diseases like HIV, syphilis, and hepatitis B.
Early identification of these infections allows for immediate interventions to prevent vertical transmission to the fetus.
2
Determine the standard screening test indicated between 24 and 28 weeks of gestation.
The 1-hour 50-g oral glucose challenge test is performed to screen for gestational diabetes.
Maternal insulin resistance peaks in the late second and early third trimesters due to increasing placental hormone production (e.g., human placental lactogen).
3
Identify the appropriate prophylactic action for an unsensitized Rh(D)-negative patient at 28 weeks of gestation.
Administration of anti-D immune globulin is indicated.
This intervention prevents maternal alloimmunization against fetal Rh(D) antigen, protecting future pregnancies from hemolytic disease of the fetus and newborn.
4
Determine the indicated screening between 35 and 37 weeks of gestation.
A rectovaginal swab for group B Streptococcus (GBS) culture is performed.
Positive GBS status requires intrapartum antibiotic prophylaxis to prevent early-onset neonatal GBS disease. Screening is performed near term because colonization can be transient.

Anahtar Kavram

Routine prenatal care screening timeline
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Normal Pregnancy and Prenatal Care

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