Reproductive Endocrinology Glossary

Intracytoplasmic sperm injection; a specialized IVF technique where a single sperm is directly injected into an egg.

The brief period during the menstrual cycle when the endometrium is optimally receptive to embryo implantation, typicall...

A technique where immature oocytes are retrieved and matured in laboratory culture before fertilization, used as an alte...

ART procedure where a single sperm is directly injected into an egg's cytoplasm.

The second half of the menstrual cycle, occurring after ovulation when the corpus luteum produces progesterone to prepar...

Inadequate progesterone production after ovulation causing implantation failure. A treatable cause of recurrent pregnanc...

Inadequate progesterone production during the luteal phase affecting endometrial development and implantation.

Hormonal supplementation after ovulation or embryo transfer to maintain pregnancy viability.

A condition where the ovarian follicle luteinizes but fails to rupture and release the oocyte.

The rapid increase in LH levels that triggers ovulation, monitored in natural cycles and controlled in fertility treatme...

Microsurgical epididymal sperm aspiration, a surgical technique for sperm retrieval in obstructive azoospermia.

Immature egg cell arrested in the first meiotic division, requiring maturation before fertilization.

The stage of meiotic division where mature oocytes arrest prior to fertilization, representing optimal timing for intrac...

Practice cycle using hormone replacement to assess endometrial response before frozen embryo transfer.

A practice embryo transfer procedure performed without embryos to assess catheter passage and uterine anatomy before the...

Microscopic evaluation of embryo development and structure. Critical for selecting the best embryos for transfer.

Immune cells that may contribute to implantation failure and recurrent pregnancy loss when present in elevated numbers.

Reduced sperm concentration below normal parameters, representing a significant male fertility factor requiring speciali...

Process of egg cell development from immature to fertilizable state, crucial for successful reproduction.

The surgical procedure to collect mature eggs from ovarian follicles. A key step in assisted reproductive technology cyc...

A laparoscopic surgical technique using electrocautery to create multiple small holes in polycystic ovaries to restore o...

Systematic medication regimen designed to stimulate multiple follicle development for IVF treatment.

Potentially serious complication of fertility treatment causing ovarian enlargement and fluid accumulation.

Experimental treatments aimed at restoring ovarian function and improving fertility in women with diminished ovarian res...