Reproductive Medicine Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
luteal phase support LPS
Hormonal supplementation to maintain the uterine lining after embryo transfer.
Agonist Protocol
An IVF stimulation regimen using GnRH agonist for pituitary suppression before ovarian stimulation.
AMH
Anti-Müllerian Hormone - a hormone that indicates ovarian reserve and egg quantity in women.
aneuploidy
Chromosomal abnormality involving an incorrect number of chromosomes in embryos or gametes.
anovulation
The absence of ovulation in a menstrual cycle, a common cause of female infertility requiring specific treatment approac...
antral follicle count
Ultrasound measurement of small ovarian follicles used to assess ovarian reserve.
ART
Assisted Reproductive Technology - medical procedures used to treat infertility and achieve pregnancy.
Assisted Hatching
A laboratory technique that creates an opening in the zona pellucida to facilitate embryo implantation.
azoospermia
The complete absence of sperm in the ejaculate, classified as either obstructive or non-obstructive.
beta-hCG
Blood test measuring the beta subunit of human chorionic gonadotropin to confirm pregnancy.
biochemical pregnancy
A very early pregnancy loss detected only by blood hormone levels without clinical or ultrasound evidence of pregnancy.
blastocyst
An early-stage embryo, typically 5-6 days after fertilization, consisting of about 100 cells arranged in a hollow sphere...
Cervical Factor Infertility
Fertility impairment due to cervical abnormalities affecting sperm transport. May involve cervical mucus quality or stru...
Cleavage Stage
The early embryonic development phase characterized by cell division without significant size increase.
Clomiphene Citrate
Oral ovulation induction medication that blocks estrogen receptors to stimulate follicle development. Brand names includ...
Compaction
The embryonic process where individual blastomeres lose distinct borders and form a tightly packed cell mass.
competency-based training
Educational approach in reproductive medicine focusing on demonstrated skills rather than time-based curriculum completi...
controlled ovarian stimulation
The use of fertility medications to stimulate multiple follicle development during an IVF cycle.
cryopreservation
The process of freezing and storing gametes, embryos, or reproductive tissue at extremely low temperatures for future us...
Cumulative Live Birth Rate
Statistical measure of live births achieved per patient over multiple treatment cycles. Used to assess long-term treatme...
cumulus-oocyte complex
The structure consisting of an egg cell surrounded by supporting cumulus cells, retrieved during egg collection procedur...
Cycle Monitoring
Regular tracking of ovarian response and endometrial development during fertility treatment cycles.
day 3 transfer
Embryo transfer performed three days after fertilization when embryos are at the cleavage stage.
Day 5 Transfer
The transfer of blastocyst-stage embryos to the uterus five days after fertilization.
diminished ovarian reserve
Reduced number or quality of remaining eggs in the ovaries relative to chronological age.