Complications

Pregnancy Complications Due to Leiomyoma
Sub-fertility.
Interference to uterine enlargement
Initiation of abnormal uterine contractions
Prevention of efficient placentation
Impaction of uterus in the pelvis
Preterm labour
Abortion
Placenta abruption
Foetal growth restriction
Foetal compression
Obstructed labour
Uterine rupture

Effects of the Pregnancy on the Myoma
Red degeneration of myomas
Infection (the process is usually sterile but may be complicated by secondary infection from uterine cavity)

General Complications of fibroids
Degenerations
Necrosis
Infection
Sarcomatous changes
Torsion of pedunculated fibroid
Uterine bleeding