| DOHaD | Developmental Origins of Health and Disease |
| BH | Benjamini–Hochberg |
| AUC | Area Under Curve |
| OvR | One-versus-rest |
| OLS | Ordinary Least Squares |
| SE | Standard Error |
| PLS | Partial Least Squares |
| CI | Confidence Interval |
| ETS | Environmental Tobacco Smoke |
| CAD | Charged Aerosol Detector |
| CS | Cigarette Smoke |
| SIDS | Sudden Infant death syndrome |
| BMI | body mass index |
| C | non-smoking control |
| PS | passive smokers |
| AS | active smokers |
| SPE | solid phase extraction |
| HPLC | high-performance liquid chromatography |
| SD | standard deviation |
| LOD | limit of detection |
| LOQ | limit of quantification |
| CV | Cross-validation |
| E1 | estrone |
| E2 | estradiol |
| E3 | estriol |
| T | testosterone |
| PD | pregnanediol |
| P | progesterone |