Table 1. Search terms used to identify relevant studies.
| Exposure | Outcome |
|---|---|
| PubMed | |
| MeSH term “Sports” | MeSH term “Birth rate” |
| Athletic performance | Birth rates |
| Baseball | Rate, Birth |
| Basketball | Natality |
| Bicycling | Natalities |
| Boxing | Fertility rate |
| Cricket sport | Fertility rates |
| Football | Rate, fertility |
| Golf | Age-specific birth rate |
| Gymnastics | Age specific birth rate |
| Hockey | Age-specific birth rates |
| Martial arts | Birth rate, age-specific |
| Mountaineering | Age-specific fertility rate |
| Racquet sports | Age specific fertility rate |
| Return to sport | Age-specific fertility rates |
| Rugby | Fertility rate, age-specific |
| Running | Rate, age-specific fertility |
| Skating | MeSH term “Sex Ratio” |
| Snow sports | Ratio, sex |
| Soccer | Ratios, sex |
| Sports for persons with disabilities | Sex ratios |
| Team sports | MeSH term “Fertility” |
| Track and field | Fecundability |
| Volleyball | Fecundity |
| Walking | Differential fertility |
| Water sports | Fertility, differential |
| Weight lifting | Fertility determinants |
| Wrestling | Determinant, fertility |
| Youth sports | Determinants, fertility |
| Fertility determinant | |
| Subfecundity | |
| Fertility preferences | |
| Fertility preference | |
| Preference, fertility | |
| Preferences, fertility | |
| Fertility, below replacement | |
| Below replacement fertility | |
| Marital fertility | |
| Fertility, marital | |
| Natural fertility | |
| Fertility, natural | |
| World fertility survey | |
| Fertility survey, world | |
| Fertility surveys, world | |
| Survey, world fertility | |
| Surveys, world fertility | |
| World fertility surveys | |
| Fertility incentives | |
| Fertility incentive | |
Note:
MeSH, Medical Subject Headings. The Scopus field code KEY was used in an advanced search. The KEY field code is a combined code which searches AUTHKEY, INDEXTERM, TRADENAME and CHEMNAME fields. AUTHKEY (key words assigned to the document by the author), INDEXTERM (controlled vocabulary terms assigned to the document), TRADENAME (a name used to identify a commercial product or service) and CHEMNAME (chemical name).