Cyst Ovarian Pregnancy
Cysts can go down on their own; during the time of pregnancy it is unlikely a 15cm. Cysts are common during pregnancy. Most of the ovarian masses found during pregnancy are benign. Cysts during pregnancy is that they may rupture or torse. Moreover of these events leads to significant pain for the woman and preterm labor and delivery for the baby.
Cysts which is larger then 6-8cm are usually remove surgically if their size is not decrease the best time to operate is in the second trimester between the 14-16 weeks. Cyst which is of 15cm is quite big and the potential for complications like rupture is high. If the size remain more then 2 weeks its is advice to consult a doctor, though removing of several masses this size during pregnancy will have a normal delivery and a healthy babies .