Many loans offer grace periods after payment due dates to help borrowers avoid late fees.

Different diseases can have widely varying incubation periods, making diagnosis and containment challenging.

Many people keep a diary of their menstruation periods to notice patterns and seek medical advice if necessary.

Researchers emphasize that there are multiple critical periods in early childhood development that shape language acquisition.

Researchers tracked hormone levels across multiple ovulatory periods to better understand fertility patterns.

Many countries enforce cooling-off periods on certain contracts to protect consumers from high-pressure sales tactics.

During the hurricane response, the emergency fleet's operational service periods were extended to ensure continuous aid delivery.

During busy weekends, we schedule extra wash-up periods to make sure all dishes and equipment are properly cleaned.

Astronomers measured the sidereal orbital periods of the newly discovered exoplanets to refine their models.

Astronomers compared the sidereal rotation periods of the newly discovered exoplanets to determine differences in their axial tilts.