Reduced Preterm Births
| Supplement | Research Paper | Effect Type | Effect Size |
|---|---|---|---|
| Lactobacillus rhamnosus GR-1 | 10.1016/j.ajog.2014.01.029 | Beneficial | Moderate |
| Lactobacillus crispatus VPro 31 | 10.3920/BM2022.0084 | Beneficial | Moderate |
| Lactobacillus crispatus LV5 88 | 10.3920/BM2022.0084 | Beneficial | Moderate |
| Lactobacillus crispatus UALcr-35 | 10.3920/BM2022.0084 | Beneficial | Moderate |
| Bifidobacterium animalis subsp. lactis BB-12 | 10.1080/19490976.2025.2501186 | Beneficial | Small |
| Lactobacillus kefiri | 10.1530/rep-20-0642 | Beneficial | Large |