Glow uses a data-driven menstrual and ovulation calculator to forecast periods and ovulation. Once the app detects a person’s cycle, its predictions become more intelligent over time.

Glow can help people who are either avoiding or attempting pregnancy. It can also help those undergoing fertility treatments, such as intrauterine insemination and in vitro fertilization (IVF).

Users can:

- record physical and mental period symptoms
- log more than 40 different health signals
- log sexual activity
- make charts of their menstrual and fertility data
- set medication, birth control, and ovulation reminders

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