This means the day of ovulation can vary from woman to woman and month to month.

Winter double room rates vary from month to month; February starts at $275, plus 20 percent tax and service.

Days sales outstanding can vary from month to month, and over the course of a year with a company's seasonal business cycle.

And symptoms vary from month to month, so it's hard to get a handle on it.

The contribution varies from month to month, the statement explained.

Check website for prices as these vary from month to month.

Doublecheck opening and closing times in advance, since hours vary from month to month.

Hotel prices vary greatly from month to month, and reservations should be made well in advance.

The market varies tremendously from month to month, it's unbelievable.

In addition, the severity of the symptoms can vary from month to month.