PGT

Medical abbreviation · Obstetrics & Gynecology

PGT stands for Preimplantation genetic testing, an obstetrics & gynecology abbreviation.

Genetic testing of cells biopsied from IVF embryos before transfer. PGT-A screens for abnormal chromosome numbers, PGT-M tests for specific inherited single-gene conditions, and PGT-SR detects structural chromosome rearrangements.

Example: Both partners cystic fibrosis carriers; IVF with PGT-M, 2 unaffected embryos.

Usage notes

PGT replaced the older terms preimplantation genetic screening (PGS) and diagnosis (PGD). Biopsies are usually taken from the outer layer of the blastocyst (trophectoderm). Whether routine PGT-A improves live birth rates for all patients remains debated, and mosaic embryo results complicate decisions.

Related abbreviations

More obstetrics & gynecology abbreviations

• NSVD – Normal spontaneous vaginal delivery
• NT – Nuchal translucency
• OB – Obstetrics
• OCP – Oral contraceptive pill
• OHSS – Ovarian hyperstimulation syndrome
• Pap – Papanicolaou test
• PID – Pelvic inflammatory disease
• PIH – Pregnancy-induced hypertension
• PMS – Premenstrual syndrome
• POI – Primary ovarian insufficiency
• POP – Pelvic organ prolapse
• PP – Postpartum

See all 89 obstetrics & gynecology abbreviations →

Edited by the AbbreviationList.com team. Spotted an error or a missing meaning? Contact us.

This entry is for general education and is not medical advice. Abbreviation use varies between institutions; always confirm in context.