Table 1.

Timing and reason for diagnosis of hypertrophic cardiomyopathy

Time of diagnosis	Number of women	Age at diagnosis, (years) (mean (SD), range)	Diagnosis as a result of symptomatic presentation	Diagnosis as a result of an incidental finding on examination	Diagnosis as part of family screening	Cardiac symptoms reported before pregnancy	Cardiac symptoms reported during pregnancy
Before pregnancy	47 (37%)	21 (2) (14–25)	20 (43%)	19 (40%)	8 (17%)	21 (45%)	23 (49%)
During pregnancy	27 (21%)	24 (3) (19–29)	8 (30%)	19 (70%)	0 (0%)	8 (30%)	8 (30%)
Between pregnancies	15 (12%)	23 (4) (21–30)	5 (33%)	7 (47%)	3 (20%)	4 (27%)	2 (13%)
After all pregnancies completed	38 (30%)	36 (7) (27–54)	16 (42%)	15 (39%)	7 (19%)	10 (26%)	3 (5%)