This normally occurs before the start of worlds 1, 3, 5, and 7.

Early changes in the heart that do not normally occur until after birth.

This normally occurs in both eyes at the same time and is not associated with any eye pain.

It is a natural event that normally occurs in women age 45 - 55.

These changes occur normally in a vibrant economy and most people view it as progress.

It normally occurs in small groups of up to 30 birds.

In modern times, it means a situation that was occurring normally but then suddenly began to go wrong.

This normally occurs as words are being heard or read.

Mutual assistance normally occurs, of course, before the court cases.

Sometimes, particularly at higher levels, fences are designed that would not normally occur in nature.