Reproductive Endocrinology Glossary

A gynecologic condition where endometrial tissue grows within the myometrium, potentially affecting fertility and requir...

Chromosomal abnormality involving an incorrect number of chromosomes in an embryo or gamete.

The absence of ovulation in a menstrual cycle. A key diagnostic finding in fertility assessments.

A uterus that tilts forward toward the bladder, the most common anatomical position.

Biomarker produced by ovarian follicles used to assess ovarian reserve and reproductive potential.

Ultrasound measurement of small ovarian follicles to assess egg reserve. A standard component of fertility evaluation.

Medical procedures used to address infertility, including IVF, ICSI, and embryo transfer.

Complete absence of sperm in the ejaculate, requiring careful editorial distinction from oligozoospermia.

A blood test measuring the beta subunit of human chorionic gonadotropin hormone to confirm and monitor early pregnancy.

Pregnancy detected only by hormone levels without ultrasound visualization, typically ending in early miscarriage.

Advanced embryo stage with fluid-filled cavity, typically developing 5-6 days after fertilization.

Early embryo developmental stage from day 1-3 post-fertilization characterized by cell division without growth.

A cervix that maintains adequate closure throughout pregnancy, contrasted with cervical incompetence.

Hormone therapy protocol to stimulate multiple egg development for fertility treatments.

Inadequate progesterone production by the corpus luteum, leading to poor endometrial development and potential pregnancy...

The process of preserving reproductive cells, tissues, or embryos at extremely low temperatures for future use in fertil...

Specialized cells surrounding the oocyte that support its development and indicate oocyte maturity during IVF procedures...

The structural unit consisting of an oocyte surrounded by layers of cumulus cells within the ovarian follicle.

Embryo transfer performed three days after egg retrieval when embryos are at the cleavage stage (6-8 cells).

The transformation of endometrial stromal cells into decidual cells in preparation for implantation.

Condition characterized by reduced quantity or quality of eggs relative to chronological age.

Implantation of an embryo outside the uterine cavity. A serious complication requiring immediate medical intervention.

Procedure to place fertilized embryos into the uterus during ART cycles.

Diagnostic procedure involving sampling of the endometrial lining to assess hormonal effects and tissue quality.