Mom Gives Birth to Two Sets of Twins

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HOUSTON, Texas-- A mom gives birth to two sets of twins!

According to KPRC, mom gave birth on Valentine's Day to four boys.

The newborns were delivered via cesarean section at 32 weeks.

Manuel and Tressa Montalvo say they did not use any fertility treatments.

The boys developed in separate placenta.

The odds of such a birth are reportedly one in 70 million.

Doctors say the babies are all progressing well.