The Rational Clinical Examination
David L. Simel, Drummond Rennie
Early Pregnancy
Lori A. Bastian, Joanne T. Piscitelli
Make the Diagnosis: Early Pregnancy
Topics Discussed:
make the diagnosis, pregnancy, pregnancy test, home, pregnancy tests, prior probability, women's health
Excerpt:
"The probability of pregnancy varies, depending on the clinical
situation. In the emergency department, the prevalence of unsuspected pregnancy
is 6.3%. The prevalence increased to 13% in women
with abdominal or pelvic complaints.7 Among women
trying to get pregnant, the probability of pregnancy after a single
episode of unprotected sexual intercourse approximates 20% to
33%.8..."
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