Meet the Twiblings: How Four Women (and One Man) Conspired to Make Two Babies

For many couples, the most crushing aspect of fertility treatment is not all the early morning blood-draws but the haunting feeling that the universe is telling them that their union is not — in a spiritual, as well as a biological, sense — fruitful. But I knew Michael and I were a great couple — I had pined so long for the elusive feeling of rightness, and now that I finally had it, I was damned if I was going to let biology unbless us. And I knew if we let biology become Mother Nature, we actually would be damned.

By Melanie Thernstrom, New York Times