Avoid eating foods high in trans fats and refined sugar.

If you have a male partner, he should also maintain low alcohol consumption, no more than 14 units a week spread out over 3 days or more. Drinking too much alcohol can negatively affect the quality of his sperm.

An 8  fl oz (240 ml) cup of coffee contains 96 mg of caffeine. [5] X Trustworthy Source Mayo Clinic Educational website from one of the world’s leading hospitals Go to source An 8  fl oz (240 ml) cup of black tea contains 47 mg of caffeine, while green tea contains 28 mg. While it varies according to the brand, cola averages around 22 mg of caffeine for an 8  fl oz (240 ml) soda. However, keep in mind that sodas are typically sold in containers that are 12  fl oz (350 ml) or larger.

A man’s sperm can also become less potent if he smokes a lot or inhales second-hand smoke.

Check the label to make sure the supplements contain mostly minerals and no preservatives or additives.

If your periods are not regular, or they tend to last longer than 35 days, speak to your doctor. This may mean you are ovulating less and need to check on your fertility levels.

If you do not want to get pregnant right away but want to boost your fertility so you can conceive in the future, take your birth control regularly. Birth control can help your menstrual cycle to stay regular and consistent. Have oral birth control at the same time every day and try not to skip any days to avoid messing up your cycle.

Try to have sex weekly or several times a month to keep your fertility levels up. You may then have an easier time getting pregnant once you decide you are ready.

Avoid lubricants like saliva and olive oil, as well as commercial lubricants that are not marked “sperm-friendly,” as they can inhibit the potency of sperm.

Keep in mind freezing your eggs does not guarantee you will be able to conceive at an older age but it can increase your chances. Your doctor may recommend freezing your eggs if you have a family history of infertility or early menopause. [19] X Expert Source Debra Minjarez, MS, MDBoard Certified Reproductive Endocrinologist & Infertility Specialist Expert Interview. 31 March 2020.