Pregnancy (main): Difference between revisions

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==Management==
==Management==
*[[Drug Ratings in Pregnancy]]
*[[Drug Ratings in Pregnancy]]
==Disposition==


==See Also==
==See Also==
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*[[Fundal Exam in Pregnancy]]
*[[Fundal Exam in Pregnancy]]
*[[Resuscitative hysterotomy]]
*[[Resuscitative hysterotomy]]
==External Links==


==References==
==References==
[[Category:OBGYN]]
[[Category:OBGYN]]

Revision as of 17:44, 4 December 2024

Background

Timeline of pregnancy, including (from top to bottom): Trimesters, embryo/fetus development, gestational age in weeks and months, viability and maturity stages.
Estimated gestational age based on physical exam.

Clinical Features

Normal pregnancy at 26 weeks.
Melasma: pigment changes to the face due to pregnancy.
Linea nigra in a woman at 22 weeks pregnant.

Estimated Gestational Age by Fundal Height[1]

Weeks Fundal Height / Finding
12 Pubic symphysis
20 Umbilicus
20-32 Height (cm) above symphysis = gestational age (weeks)
36 Xiphoid process
>37 Regression
Post delivery Umbilicus

Differential Diagnosis

Abdominal distention

Vaginal Bleeding in Pregnancy (<20wks)

Vaginal Bleeding in Pregnancy (>20wks)

Abdominal Pain in Pregnancy

The same abdominal pain differential as non-pregnant patients, plus:

<20 Weeks

>20 Weeks

Any time

3rd Trimester/Postpartum Emergencies

Evaluation

Maternal vitals and labs in pregnancy

Repeat B-hCG Levels

Pregnancy Type B-hCG Change
Normal
  • Increase >53% in 48hrs (until 10,000 mIU/ml)
  • Depends on the initial value:
    • <1500 --> 50% increase
    • 1500-3000 --> 40% increase
    • > 3000 --> 30% increase
Ectopic
  • Increases or decreases slowly ("plateau")^
Miscarriage
  • Decreases >20% in 48 hrs

^Initial level CANNOT be used to rule-out ectopic

Management

Disposition

See Also

External Links

References

  1. Vasquez V, Desai S. Labor and delivery and their complications. In: Walls RM, Hockberger RS, Gausche-Hill M, et al., eds. Rosen’s Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier Saunders; 2018:2296–2312.