All answers are true.2
Although secondary hypertension in pregnancy (from renal artery stenosis, for example) is rare—in 0.24% of pregnancies worldwide—it is under-diagnosed.1 Any pregnancy-related hypertension that does not fit into the 4 categories (Table) may require additional testing and specialty consultation.
This reference presents a mistaken suspicion of preeclampsia in a woman with a pheochromocytoma.3
1. Vellanki SK, Mucsi I, Velagala S, et al. Hypertension and acute kidney injury during pregnancy. Am J Kid Dis. 2017; 69:xiii-xvii.
2. Barton JR, Sibai BM. Controversies regarding diagnosis and treatment of severe hypertension in poregnancy. Clinical Ob Gyn. 2016;60:198-205.
3. Gonzalez MD, Rutecki G, Whittier FC. The problem patient: headaches in a pregnant woman with a history of preeclampsia. Hosp Practice. 1993;28(10a):79-82.