以下是引用e-bunny在2004-7-17 23:38:37的发言：
I heard that natual regular period (e.g. once every four weeks, or once every five weeks) is actually a great thing!!! Good for planning a baby in the future, good for not planning to have a baby...at least, a lot much better than irregular period, like once every 28-45 days, which was my.....:)