USMLE Step 2 CK Lecture Notes 2019: Obstetrics/Gynecology (Kaplan Test Prep)

(Kiana) #1

ABNORMAL VAGINAL BLEEDING


A   31-year-old woman   complains   of  six months  of  menometrorrhagia.   The
patient states that she started having menstruation at age 13 and that she has
had regular menses until the past six months. The pelvic examination,
including a Pap smear, is normal. She has no other significant personal or
family history.

Pregnancy


In a patient who has abnormal bleeding during the reproductive age group,
pregnancy or a complication must first be considered. Complications of early
pregnancy that are associated with bleeding include incomplete abortion,
threatened abortion, ectopic pregnancy, and hydatidiform mole.


Diagnosis. Urine or serum β-hCG test is required to confirm pregnancy. If
pregnancy is identified vaginal ultrasound will help sort out which pregnancy
complication is operative.


Management. Varies with the individual diagnosis.


Anatomic Lesion


If the pregnancy test is negative, then an anatomic cause of vaginal bleeding
should be considered. The classic history is that of unpredictable bleeding
(without cramping) occurring between normal, predictable menstrual periods
(with cramping).

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