Ovulation is the important phase in women which can be determined by the ovulation calendar. It helps to plan for a pregnancy or to avoid pregnancy. Ovulation is the phase which takes place in the period of menstrual cycle. Menstruation is followed by ovulation after two weeks. However the ovulation time may vary with the menstrual cycle. Normal ovulation takes place in the middle of the menstrual cycle. Ovulation calendar acts as a tool to determine the correct ovulation time. By using the ovulation calendar a woman can avoid or like to be pregnant.

Ovulation calendar can also be referred to as ovulation calculator. The basic principle in ovulation calendar is to just write down the starting date of the last menstrual cycle and length of that cycle. Ovulation calculation does not require any device to perform it just noting down the dates correctly. By noting down the menstrual dates you can predict the right ovulation time.

Ovulation can also be predicted by the ovulation test kits which are widely available in medical shops. Ovulation kit can be used in home by just collecting the urine sample in noon time for accurate results. Ovulation test kit consists of ovulation test strip which test for the responsible hormone. Unlike pregnancy test ovulation test is taken in noon time because only by that time the responsible hormone will be secreted in the urine. You may get false results if you carry out the test in early morning. LH is the hormone responsible for the ovulation to takes place. LH surge triggers the ovulation phase where it proceeds for about 48hours. This test can also be referred to as LH test.

Ovulation test can be taken in online also. Online ovulation test can be taken by just answering the questions asked in online.