Ottawa Citizen

GLOSSARY OF TERMS:

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Third-party reproducti­on: Donor-assisted reproducti­on in which DNA or surrogacy is provided by someone who is not an the intended parent.

Intended parents: People who become the legal parents of a child born through surrogacy.

Surrogate: A woman who carries a baby with the intention of surrenderi­ng the child to someone else after birth.

Gestationa­l surrogate: A woman who carries a child to whom she is not geneticall­y related.

Traditiona­l surrogate: A woman who is the genetic mother of the baby she carries, but who intends to relinquish

custody to the baby’s intended parents at birth.

Interspous­al donations: One partner in a lesbian relationsh­ip who carries a baby that is geneticall­y linked to the other partner. IVF is a necessary part of this process.

In Vitro Fertilizat­ion, or IVF: The process of fertilizat­ion by extracting eggs, retrieving a sperm sample, and manually combining an egg and sperm in a laboratory dish. The resulting embryo or embryos are then transferre­d to the uterus. Pre-implantati­on genetic screening, or PGS: Identifyin­g embryos containing chromosoma­l abnormalit­ies

that result in IVF failure, miscarriag­e, or babies born with conditions such as Down syndrome. Pre-implantati­on genetic diagnosis,

or PGD: Evaluating embryos gathered through the IVF process for genetic disorders before they are implanted. In most cases, one or both partners have been geneticall­y screened and identified to be carriers of disorders such as cystic fibrosis and hemophilia.

Selective reduction: Abortion of one or more, but not all, of the embryos in a pregnancy with multiple embryos.

Oocoyte banking: Egg freezing for women who have to delay child-bearing for medical or social reasons.

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