How to find out if you are having twins before your ultrasound appointment.

A Utah couple is getting ready to welcome two sets of identical twins -- a one in 70 million occurrence -- after spending years in fertility treatments.

Even then, the patient has about a 60 percent chance of getting pregnant at all. But both embryos had split in Miranda's uterus to create two sets of identical twins.

Mono-mono twins are a rare and special type of identical twins who share everything, right from the start.

Identical twins who shared amniotic sac and placenta risk death before birth because of cord complications. By Nicole Villalpando, Staff writerUpdatedJuly 28, 2025 4:50 p.m.