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Rebecca Michels Was Sure Her Twin Daughters Were Fraternal Until a Nurse Urged a DNA Test, and the Answer Came Back at 16 Billion to One
AOL.com • • world
Key Points:
- Capri and Kenzie Michels, twin girls from Sydney, were confirmed to be identical twins through DNA testing, despite initial assumptions they were fraternal based on ultrasound showing separate sacs and placentas.
- The DNA test showed a 99.999999994 percent probability that the twins are identical, making them 16 billion times more likely to be identical than fraternal, highlighting that separate placentas do not rule out identical twins.
- Experts explain that about one-third of identical twins have separate placentas, so only DNA zygosity testing can definitively determine if twins are identical or fraternal, especially for same-sex twins.
- Knowing twin zygosity is important for health, family bonding, disease risk assessment, legal and educational reasons, and personal identity, with many parents initially misinformed or unsure before testing.
- The Michels family’s experience underscores the value of DNA testing in resolving uncertainties about twin zygosity, providing clarity and peace of mind for parents.
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