Like one in 2 million’: Mom says
Rare twins with Down syndrome prove their beauty, shutting down critics. Twin pregnancies are uncommon, with only 33 out of every 1,000 births being twins. Identical twins occur in about 3 to 4 out of 1,000 births. Savannah Combs, 23, joyfully anticipated twins but learned they both had Down syndrome, which is rare. She knew…