What are the chances? Having sex as close as possible to the time of ovulation increases the chance of pregnancy.
If she has sex five days before she ovulates, her probability of pregnancy is about 10 percent. When does preconception health begin? How to know you are ovulating Kerry Hampton, a registered nurse and fertility specialist, discusses the importance of fertility awareness, and how to determine your fertile window to improve your chances of conceiving.
Identification and prediction of the fertile window using Natural Cycles. Self-identification of the clinical fertile window and the ovulation period. Fertility and Sterility, 5 , Optimizing natural fertility: a committee opinion. Fertility and Sterility, 1 , Revisiting the fertile window. Timing intercourse to achieve pregnancy: current evidence. Obstetrics and Gynecology, 6 , Stephenson, J.
Before the beginning: nutrition and lifestyle in the preconception period and its importance for future health. The Lancet, Pet al. Fertility and Sterility. Impact of age, clinical conditions, and lifestyle on routine semen parameters and sperm kinematics. Let al. Effects of cigarette smoking upon clinical outcomes of assisted reproduction: a meta-analysis.
Hum Reprod Update, 15 1 , Zenzes, M. Smoking and reproduction: gene damage to human gametes and embryos. Hum Reprod Update, 6 2 , Looking for more? Thinking about having a baby? Useful links: Pre-conception checklists. Healthy conception tool.
Regular periods mean having a period every 21 to 35 days. These are especially useful if a woman has irregular periods. Please note that the date you enter in the calculator may result in an ovulation date that has already passed. This will occur if you are nearing your next menstrual start date. This calculator is not meant for women who are already pregnant. It cannot and should not be used as an aid to preventing pregnancy. This calculator is provided for educational purposes only.
It is not intended as a substitute for professional health care. Always consult with a healthcare provider for advice concerning your health. This ovulation calculator provides an estimate of your fertile window and is not a guarantee of pregnancy or of birth control. The calculator and information on this website are not medical advice.
Talk to your doctor or nurse to plan for pregnancy and find birth control that works for you. Fertile windows are different for every woman and can be different from month to month in the same woman. Learn more about your fertility if you are trying to get pregnant. Department of Health and Human Services. ET closed on federal holidays.
Breadcrumb Home Pregnancy Ovulation calculator. Ovulation calculator Ovulation calculator Knowing the days you are most likely to be fertile can increase your chance of getting pregnant.
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