Chapter 2 - The Shadow Sibling
The silence in the hospital room after Dana Rourke closed the door was thick enough to suffocate on. Cole sat on the edge of the blue visitor’s chair, holding Mae against his shoulder. He rocked slightly, a instinctual, rhythmic sway that looked utterly wrong without me at his side.
"Say something," I demanded, my voice raw from weeping and surgical dry-mouth.
"I don't know what to say, Nat," Cole whispered. He wouldn't look at me. "The first time, with Avery... we thought it was a fluke. A mix-up at the city lab. Then Milo. And now this. We had a court officer in the room. They took the cheek swabs while I was still holding your hand."
"Do you think I cheated on you?" I asked, the words cutting my own throat as I spoke them. "Tell me the truth, Cole. In your heart of hearts, do you think I carried three different strangers' children?"
"No!" Cole snapped, his eyes flashing with a brief, desperate fire before fading back into exhaustion. "Of course not! We’ve been together since we were nineteen. I was there for every ultrasound, every kick, every contraction. I watched them pull all three of them out of you! But the state doesn't care about what I saw. They care about genetics. If Avery, Milo, and Mae aren't related to you biologically, where did their maternal DNA come from? It's the same woman's DNA in all three of them, Nat! The lab confirmed that. They are full biological siblings. They just aren't... yours."
Those words echoed in my mind throughout the long, excruciating night. They are full biological siblings. They just aren't yours.
I wasn't allowed to hold Mae unless a nurse was present in the room to supervise. They treated me like a surrogate who had suddenly decided to kidnap a client’s child, or worse, a delusionally unstable woman claiming a baby that belonged to someone else. Every time I nursed her, the night nurse stood by the door with a clipboard, watching my hands as if I might slip out the window with a newborn tucked inside my hospital gown.
At 4:00 AM, while Mae slept under the halogen warmer, I pulled out my phone with trembling hands. My incision throbbed with a sharp, burning agony, but physical pain was a distant noise compared to the terror tearing my mind apart.
I began searching medical journals. I typed in every query I could think of: Mother does not match children DNA, False negative maternal DNA test, Giving birth to non-biological child natural pregnancy.
Page after page offered useless answers. In vitro fertilization mix-ups. Swapped babies at birth. Paternity fraud. Surrogacy disputes. None of these applied to me. Mae was conceived naturally in our quiet suburban home. I had never undergone fertility treatments. I had never had an egg donor.
Then, deep in an archived medical database from two decades prior, I found a tiny footnote in a paper published by a genetics department in Boston.
It detailed a case from 2002: A woman named Lydia Fairchild, pregnant with her third child, applied for state assistance after separating from her husband. A routine DNA test showed her husband was the father, but she was excluded as the mother. The state sued her for fraud, believing she was running a surrogacy scam. She was on the verge of losing her children until a brilliant defense lawyer and a rogue geneticist discovered something extraordinary.
The woman was a human chimera.
I stared at the glowing screen, my heart hammering against my ribs like a trapped bird.
Chimerism. A condition named after the mythical Greek beast composed of a lion, a goat, and a snake. In human genetics, it occurs when a woman was originally pregnant with fraternal twins in her mother's womb. Very early in the pregnancy, one embryo absorbs or fuses with the other. The surviving twin grows into a single person, but carries two completely distinct sets of DNA inside one body.
One set of DNA occupies the skin, the blood, and the saliva. The other set occupies the internal organs—including the ovaries.
My breath hitched. I looked over at Mae’s tiny, sleeping face.
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If I was a chimera, the DNA in my blood and cheeks—the samples the state kept testing—belonged to the twin I had absorbed in my mother's womb before I was even born. But my eggs, the deep, hidden internal tissue of my body, belonged to my unborn twin sister.
Technically, genetically, I wasn't my children's mother. I was their aunt. And my unborn twin sister, a ghost who had never taken a breath, was the biological mother of every child I had ever carried.
