An UpToDate review on “Evaluation of women with urinary incontinence” (Lukacz, 2019) states that “The risk of urinary incontinence, particularly urgency incontinence, may be higher in patients with a family history. One study found that the risk of incontinence was increased for both daughters (relative risk [RR] 1.3, 95 % CI 1.2-1.4) and sisters (RR 1.6, 95 % CI 1.3-1.9) of women with incontinence. Twin studies attribute a 35 to 55 % genetic contribution to urgency incontinence/overactive bladder but only 1.5 % for stress incontinence”.