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# HKBloodGlucoseMealTime

Constants indicating the timing of a blood glucose sample relative to a meal.

```
enum HKBloodGlucoseMealTime
```

## Topics

### Relative Meal Times

[`HKBloodGlucoseMealTime.postprandial`](/documentation/HealthKit/HKBloodGlucoseMealTime/postprandial)

A blood glucose sample taken just after eating a meal.

[`HKBloodGlucoseMealTime.preprandial`](/documentation/HealthKit/HKBloodGlucoseMealTime/preprandial)

A blood glucose sample taken just before eating a meal.



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