| Color | Fresh blood and steady flow | Beginning or end of your period | Possible vaginal blockage | Possible early sign of pregnancy or implantation spotting | Period blood mixed with cervical fluid | Possible infection | Ovulation | Low estrogen | Nutritional deficiency (e.g. anemia) |
|---|---|---|---|---|---|---|---|---|---|
| Bright red | X | ||||||||
| Dark red | X | ||||||||
| Black | X | X | |||||||
| Brown | X | X | |||||||
| Orange | X | X | X | ||||||
| Pink | X | X | X | X |
