Obstetrics Flashcards
most common alpha thalassemia disorder
alpha thalassemia minor
in fetus with hydrops fetalis and no associated dysmorphic features (e.g. normal biparietal diameter and femur length), the most likely cause is
alpha thalassemia major
When should Rh-negative pregnant women receive anti-D immunoglobulin prophylaxis?
At 28 weeks gestation, unless there are indications for earlier administration (e.g., trauma, vaginal bleeding).
When should the patient receive the MMR vaccine?
In the immediate postpartum period to prevent future infection.
When is the ideal time to administer the Tdap vaccine?
At 27-36 weeks gestation to allow transplacental maternal antibody transfer.
What happens if the Tdap vaccine is given at 20 weeks gestation?
It results in suboptimal antibody levels in the newborn due to waning maternal antibody production.
What complications can varicella cause in pregnancy?
Varicella can cause maternal complications such as pneumonia, meningitis, and encephalitis, as well as congenital anomalies like cicatricial lesions, cataracts, and chorioretinitis.
What is the treatment for patients exposed to varicella without immunity?
Patients exposed to varicella but lacking immunity are treated with postexposure prophylaxis.
What does postexposure prophylaxis include during pregnancy?
In pregnancy, postexposure prophylaxis includes varicella-zoster immunoglobulin administration.
Is the live attenuated varicella-zoster vaccine safe during pregnancy?
The live attenuated varicella-zoster vaccine is contraindicated during pregnancy.
What should be done if a pregnant patient has had recent varicella exposure but shows signs of immunity?
If a pregnant patient has had recent varicella exposure but shows positive varicella IgG antibodies, no further treatment is required.
What are uterine fibroids commonly associated with in premenopausal women?
Uterine fibroids are a common cause of abnormal uterine bleeding, typically causing heavy, prolonged menses.
What happens to fibroids after menopause?
fibroids typically decrease in size and become asymptomatic after menopause
What is required for all patients with postmenopausal bleeding (PMB)?
All patients with PMB require endometrial evaluation.
What are the methods for endometrial evaluation in PMB?
Endometrial evaluation for PMB is done with either transvaginal ultrasound or endometrial biopsy.