---
title: HKCategoryValueOvulationTestResult.estrogenSurge
framework: healthkit
role: symbol
role_heading: Case
path: healthkit/hkcategoryvalueovulationtestresult/estrogensurge
---

# HKCategoryValueOvulationTestResult.estrogenSurge

The ovulation test detected a surge in estrogen. This value often refers to a High result.

## Declaration

```swift
case estrogenSurge
```

## See Also

### Ovulation Test Results

- [HKCategoryValueOvulationTestResult.negative](healthkit/hkcategoryvalueovulationtestresult/negative.md)
- [HKCategoryValueOvulationTestResult.luteinizingHormoneSurge](healthkit/hkcategoryvalueovulationtestresult/luteinizinghormonesurge.md)
- [HKCategoryValueOvulationTestResult.indeterminate](healthkit/hkcategoryvalueovulationtestresult/indeterminate.md)
- [positive](healthkit/hkcategoryvalueovulationtestresult/positive.md)