These symptoms can sometimes last up to 2 hours or longer.

The first stage is the longest part of labor and can last up to 20 hours.

Today this is normally half an hour but has been known to last up to two hours.

This medication's effect on sexual ability may last up to 36 hours.

Most of these effects are mild and can last up to 48 hours.

Some of his sets have been known to last up to 8 hours.

They are held in private rooms and can last up to three hours.

These can last up to 6 hours and become comfortably hot.

This is common and may last up to 72 hours following the test.

In the early days sermons could last up to two hours.