Fibroids Uterine Fibroids Uterine fibroids (leiomyomas) are benign smooth muscle tumors of the uterus. Fibroids frequently cause abnormal uterine bleeding and pelvic pressure and sometimes urinary or intestinal symptoms... read more in pregnancy may present as pain from fibroid degeneration or may be asymptomatic. Fibroids may increase risk of
Rarely, fibroids partially obstruct the vagina.
Preconception evaluation is recommended for women who have very large fibroids or who have fibroids and have had a spontaneous abortion.