| ABOG | American Board of Obstetrics and Gynecology |
| ACOG | American College of Obstetricians and Gynecologists |
| ACS | acute coronary syndrome |
| ADHD | attention‐deficit hyperactivity disorder |
| AFC | antral follicle count |
| AHR | adjusted hazard ratio |
| AMH | anti‐Müllerian hormone |
| anti‐HBc | hepatitis B core antibody |
| APA | antiphospholipid antibodies |
| ART | assisted reproduction techniques |
| AS | Asherman syndrome |
| ASD | autism spectrum disorder |
| ASRM | American Society for Reproductive Medicine |
| BMI | body mass index |
| BNF | British National Formulary |
| BOT | borderline ovarian tumor |
| c‐TESE | conventional‐testicular sperm extraction |
| CBAVD | congenital bilateral absence of the vas deferens |
| CBRC | cross border reproductive care |
| CCS | childhood cancer survivors |
| CFTR | cystic fibrosis transmembrane regulator |
| CGH | comparative genomic hybridization |
| CI | confidence interval |
| CMV | cytomegalovirus |
| COCP | combined oral contraceptive pill |
| COS | controlled ovarian stimulation |
| CT | computerized tomography |
| CVS | chorionic villus sampling |
| DCM | dilating cardiomyopathy |
| DHEA | dehydroepiandrosterone |
| DI | donor insemination |
| DVT | deep venous thrombosis |
| ECF | endometrial cavity fluid |
| ED | erectile dysfunction |
| EFS | empty follicle syndrome |
| EMT | endometrial thickness |
| EP | ectopic pregnancy |
| ER | estrogen receptor |
| ERA | endometrial receptivity array |
| ESG | European Society of Gynecology |
| ESGE | European Society for Gynaecological Endoscopy |
| ESHRE | European Society of Human Reproduction and Embryology |
| ET | embryo transfer |
| FDA | Food and Drug Administration |
| FET | frozen embryo transfer |
| FGR | fetal growth restriction |
| FISH | fluorescence in situ hybridization |
| FSH | follicle stimulating hormone |
| GA | general anesthesia |
| GEA | global endometrial ablation |
| GH | growth hormone |
| GnRH | gonadotropin releasing hormone |
| HARRT | highly active antiretroviral therapy |
| HBsAg | hepatitis B surface antigen |
| HBV | hepatitis B virus |
| hCG | human chorionic gonadotropin |
| HCM | hypertrophic cardiomyopathy |
| HCV | hepatitis C virus |
| HFEA | Human Fertilisation and Embryology Authority |
| HIV | human immunodeficiency virus |
| HL | hyperreactio luteinalis |
| HMG | human menopausal gonadotropin |
| HPO | hypothalamic‐pituitary‐ovarian |
| HPV | human papilloma virus |
| HSG | hysterosalpingogram |
| HTA | Human Tissue Authority |
| HyCoSy | hystero‐contrast sonography |
| ICSI | intra‐cytoplasmic sperm injection |
| IUI | intrauterine insemination |
| IUP | intrauterine pregnancy |
| IVF | in vitro fertilization |
| IVM | in vitro maturation |
| KS | Klinefelter syndrome |
| LDA | low dose aspirin |
| LH | luteinizing hormone |
| LLETZ | large loop excision of transformation zone |
| LMWH | low molecular weight heparin |
| LPS | luteal phase support |
| MBMS | multiple birth minimization strategy |
| MFPR | multifetal pregnancy reduction |
| micro‐TESE | micro‐dissection testicular sperm extraction |
| MNC‐IVF | modified natural cycle IVF |
| MRI | magnetic resonance imaging |
| MTHFR | methylene tetrahydro‐folate reductase |
| NC‐IVF | natural cycle IVF |
| NGS | next generation sequencing |
| NHS | National Health Service |
| NICE | National Institute for Health and Care Excellence |
| NNT | number needed to treat |
| NTPR | National Transplant Pregnancy Registry |
| OHSS | ovarian hyperstimulation syndrome |
| OR | odds ratio |
| ORT | ovarian reserve test |
| OTC | ovarian tissue cryopreservation |
| PCA | patient controlled analgesia |
| PCC | preconception care and counseling |
| PCOS | polycystic ovary syndrome |
| PESA | percutaneous epidydimal sperm aspiration |
| PGH | preimplantation genetic haplotyping |
| PGS | preimplantation genetic screening |
| PGT | preimplantation genetic testing |
| PGT‐A | preimplantation genetic testing for aneuploidy |
| PGT‐M | preimplantation genetic testing for monogenic disorders |
| PGT‐SR | preimplantation genetic testing for structural chromosomal rearrangements |
| PID | pelvic inflammatory disease |
| POR | poor ovarian response |
| POSEIDON | patient‐oriented strategies encompassing individualized oocyte number |
| PrEP | pre‐exposure prophylaxis |
| PRL | prolactin |
| PSR | posthumous sperm retrieval |
| PUL | pregnancy of unknown location |
| r‐FSH | recombinant follicle stimulating hormone |
| RCOG | Royal College of Obstetricians and Gynaecologists |
| RCT | randomized controlled trial |
| RIF | recurrent implantation failure |
| ROS | reactive oxygen species |
| RR | relative risk |
| SART | Society for Assisted Reproductive Technologies |
| SHBG | sex hormone binding globulin |
| SLE | systemic lupus erythematosus |
| SMI | social media influencer |
| SSR | surgical sperm retrieval |
| TESA | testicular sperm aspiration |
| TESE | testicular sperm extraction |
| TFF | total fertilization failure |
| TFNA | testicular fine needle aspiration |
| TIVA | total intravenous anesthesia |
| TMET | transmyometrial embryo transfer |
| TPO | thyroid peroxidase |
| TSH | thyroid stimulating hormone |
| TVOR | transvaginal oocyte retrieval |
| UAE | uterine artery embolization |
| VEGF | vascular endothelial growth factor |
| VTE | venous thromboembolism |
| VZV | varicella zoster virus |
| WGA | whole genome amplification |
| WHO | World Health Organization |
| YCMD | Y chromosome microdeletion |