Possible combinations in gestational surrogacy

In gestational, host or full surrogacy arrangements, up to three combinations can occur depending on the origin of the gametes used:

  • Option 1: if both intended parents are fertile and can contribute their own eggs and sperm, respectively, the resulting embryo will carry their DNA.
  • Option 2: If the intended mother cannot provide her own eggs, the embryo will be created using the husband’s sperm and donor eggs. The intended mother won’t be the genetic mother.
  • Option 3: None of the intended parents can provide their gametes. The baby won’t be genetically related to them.
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