what if I haven't measure the temperature?
In fact, my cycle is 28-29 days and today is day 27. I've checked but it's negetive. Do you think I still have chance?
cherrychris 寫道:
what if I haven't measure the temperature?
In fact, my cycle is 28-29 days and today is day 27. I've checked but it's negetive. Do you think I still have chance?