FRESNO, Calif. — Identical twins have given birth about two hours apart from each other.

The Fresno Bee reports Wednesday that BaoKou Yang went into labor first on Sunday. Shortly after, her sister BaoNhia Yang told her she was experiencing pain and “might be in labor with you.”

BaoKou gave birth at 6:59 p.m. Sunday. Her sister then delivered at 8:48 p.m.