| Answer | Regular (within 8 days) | LA14645-8 |
| Answer | Usually irregular | LA14646-6 |
| Answer | Always irregular | LA14647-4 |
| Answer | No periods | LA14648-2 |
| answers-for | During ages 18-22 what was the pattern of your menstrual cycles, excluding time around pregnancies [PhenX] | 64699-2 |
| STATUS | NotStated |
| LONG_COMMON_NAME | en-US | PhenX10_37_menstrual cycle pattern |
LOINC Version: 2.81