Table 1:

Potential complications of sex in pregnancy

Complication	Evidence in the literature
Preterm labour	No clear increased risk in patients with low- risk pregnancies4 Increased risk with genital tract infection and bacterial colonization in women with low-risk pregnancies or with a history of preterm delivery5,6,7
Pelvic inflammatory disease	One review with 57 cases in pregnant adolescents8 One case of tubo–ovarian abscess9
Antepartum hemorrhage	None published Theoretical risk with placenta previa
Venous air embolism	One review with 19 cases in pregnancy or puerperium10 One review with 18 deaths from venous air embolism in pregnancy11