- Andrology: male health
- Ascites: fluid in the abdominal cavity, e.g. in the case of ovarian hyperstimulation
- Trigger shot: HCG injection to induce ovulation
- Blastocyst: advanced division stage of an early embryo
- Cervical secretion: cervical mucus
- Cervix: cervix
- Chromosomes: carriers of hereditary factors
- Diaphragm: plastic cap for closing the mouth of the uterus, also for contraception
- Embryo: the unborn child in the first 12 weeks
- Embryo transfer: the transfer of an embryo into the uterus (ET) or intact fallopian tube (EIFT); usually referred to as tubal embryo transfer (TET)
- Endometriosis: the appearance of tissue similar to the lining of the uterus in places or organs outside the uterus
- Endometrium: uterus
- Extracorporeal fertilisation (ECB): the fertilisation of an oocyte outside the body (see in-vitro fertilisation)
- Extrauterine pregnancy (EUG): Ectopic pregnancy
- Fertilisation: insemination
- Foetus: the unborn child after the 12th week
- Fimbria funnel: funnel-shaped opening of the fallopian tube for receiving the oocyte
- Follicle: fluid-filled follicle containing the oocyte
- FFollicular puncture: aspiration of the follicular fluid to obtain oocytes
- Germ cells: germ cells (oocyte and sperm cells)
- Corpus luteum: develops in the ovary from the ruptured follicle
- Gravidity: pregnancy
- Hormone: active substance produced in the body
- Pituitary gland: pituitary gland (hormone gland)
- Hypothalamus: superior hormone control gland, regulates the function of the pituitary gland
- ICSI: intracytoplasmic sperm injection: Injection of a sperm into an oocyte (microinsemination, microinjection)
- Idiopathic infertility: unexplained infertility without evidence of physical or psychological causes
- Immunological sterility: sterility caused by the body's own immune response
- Implantation: implantation of the embryo in the lining of the uterus
- Insemination: injection of sperm (cells) into the uterine cavity or fallopian tube
- Intratubal gamete transfer (GIFT): insertion of egg and sperm cells into the fallopian tube
- In vitro fertilisation (IVF): ‘test tube fertilisation’, fertilisation outside the body (Latin: vitrum – glass)
- Cannula: syringe
- Catheter: thin tube for insertion into body organs
- Culture medium: nutrient solution
- Cryopreservation: deep-freeze preservation
- Surrogate motherhood: Carrying a pregnancy to term by a woman who is not the biological mother of the fertilised egg; not permitted in Germany
- MESA: Microsurgical epididymal sperm aspiration, extraction of sperm from the epididymis
- Oestrogen: Typically female hormone, produced mainly in the follicles
- Ovary: Ovary
- Ovulation: release of an egg
- Placenta: afterbirth
- Polycystic ovary (PCO): ovary with many small cysts, usually associated with elevated male hormones
- Sperm/spermatozoa: semen/sperm cells
- Sperm antibodies: the body's own antibodies against sperm cells in men and/or women
- Sperm analysis: analysis of semen quality
- Stimulation: Promotion of follicle maturation, e.g. through hormones
- Sterility: Unwanted childlessness
- TESE: Testicular sperm extraction, extraction of sperm from the testicles
- Tube: Fallopian tube
- Uterus: Womb
- Cyst: a cavity filled with fluid