How many days does ovulation last for?
ovulation is when your body releases an egg and that can take only a few hours. The egg that is released will last only 12-36 hours after that. If that egg is not fertilized by sperm then it deteriorates and you get your period. so you see, ovulation would happen about that same day that the calendar predicts and you are most fertile two days before and one day after that ovulation date. Only by recording your temperatures first thing in the morning before getting out of bed (using a Basal Thermometer) will you pin point your real ovulation dates. Your temperature sign is the sign that will best help you to precisely pinpoint the day that ovulation occurred. This is because progesterone, and hence your temperature, increase quite dramatically just after ovulation has taken place. Before ovulation, there is only a small amount of progesterone present in your body and your basal body temperatures (your resting temperatures) are in the lower range. After ovulation, when there is increased