Try it
OBG · Gynaecological endocrinology: autoimmune primary ovarian insufficiency
Sample itemA 27-year-old has primary ovarian insufficiency with a normal karyotype and normal fragile X premutation testing. Which additional screening is most important?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Adrenal (21-hydroxylase) antibodies
A proportion of idiopathic POI is autoimmune and may be linked to autoimmune adrenal insufficiency. Adrenal cortex or 21-hydroxylase antibodies identify women at risk of Addison disease, which can be life threatening if missed.
Option by option
A. Adrenal (21-hydroxylase) antibodies (correct)
Correct. Adrenal antibodies identify women at risk of autoimmune Addison disease.
B. Antinuclear antibody titre
ANA is not a standard screening test for POI.
C. Anti-thyroid antibodies in her mother
Testing the mother does not guide care for the patient.
D. Antiphospholipid antibodies
Antiphospholipid antibodies are tested in recurrent pregnancy loss or thrombosis.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
More OBG questions
- Antenatal careA woman's last menstrual period began on 10 January 2026. Using Naegele's rule, what is…
- Obstetric drugsCarboprost (15-methyl PGF2α) is contraindicated in which condition?
- Hypertensive disorders of pregnancyA primigravida at 34 weeks has a blood pressure of 150/100 mmHg on two occasions and 2+…
- Obstetric immunologyAn Rh-negative mother delivers an Rh-positive baby. When should anti-D immunoglobulin be…