1st Trimester Vaginal Bleeding




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Summary: <br> The pregnancy test is the most important test in females of reproductive age!<br> <br> <br> <br> Five Important Tests in 1st Trimester Vaginal Bleeding<br> <br> <br> <br> * CBC* Hemoglobin/Hematocrit* Mild anemia in pregnancy is physiologic and normal* Thrombocytopenia* Type and Screen* Required for blood transfusion* Determines if patient needs RhoGAM* Rho(D) immune globulin* Binds fetal Rh antigens from a fetus so that mother doesn’t develop antibodies against future Rh positive children* Prevents hemolytic disease of the newborn* Give to Rh negative mothers to protect future Rh positive children* Quantitative hCG* hCG &gt;1500* “Cutoff” where definitive pregnancy should be seen on ultrasound* If no pregnancy is seen, highly concerning for ectopic pregnancy* hCG &lt;1500* Ectopic pregnancy still possible* Common for healthy early pregnancies to not be visualized below this level* Urinalysis (UA)* Treat asymptomatic bacteriuria in pregnant patients* One of the only times UTI should be treated in asymptomatic patients* Theoretical increased risk of miscarriage* Pelvic ultrasound* Evaluates for ectopic pregnancy* Subchorionic hemorrhage* Miscarriage<br> <br> <br> <br> Additional Reading<br> <br> <br> <br> * Ectopic Pregnancy <a href="http://www.emclerkship.com/ectopic-pregnancy/">(EM Clerkship)</a><br>