40w LaterGuide

Pregnancy preparation is not only about the health of the person who will become pregnant. Male reproductive health also plays an important role in fertility, and male factors can contribute to difficulty conceiving either alone or together with female factors.

Does sperm health change over time?

Sperm are continuously produced after puberty, but that does not mean male fertility remains unchanged throughout life. Semen quality and reproductive function can change with age, health conditions, lifestyle, medications, and environmental factors.

Unlike menopause, there is no single age at which male fertility suddenly ends. However, increasing paternal age can be associated with changes in semen parameters and reproductive outcomes.

It is also important to remember that semen quality varies considerably between individuals and even between samples from the same person. A single number such as sperm count alone cannot determine whether pregnancy is possible. Semen analysis evaluates several factors, including sperm concentration, total number, motility, and morphology, and the results should be interpreted together.

What can men do when preparing for pregnancy?

1. Take care of your overall health

A balanced diet, regular physical activity, adequate sleep, and maintaining a healthy weight can support general and reproductive health. If you are overweight, sustainable weight management may also benefit hormonal and metabolic health.

2. Stop smoking

Smoking is associated with poorer semen parameters and can contribute to sperm DNA damage. If you smoke, quitting is recommended when preparing for pregnancy.

3. Limit alcohol

Heavy alcohol consumption can negatively affect reproductive and general health. Avoiding heavy drinking is a sensible part of preparing for pregnancy.

4. Avoid excessive heat and harmful exposures

Repeated or prolonged exposure of the testes to high temperatures may affect sperm production. Occupational or environmental exposure to certain chemicals, pesticides, or toxins may also affect reproductive health, so appropriate protective measures are important.

5. Review medications and supplements

Some medications and substances can affect sperm production. In particular, testosterone therapy or anabolic steroids can significantly suppress sperm production. If you are trying to conceive, tell your healthcare professional about prescription medicines, over-the-counter medicines, supplements, or performance-enhancing substances you use. Do not stop prescribed medication on your own.

There is not enough evidence to recommend antioxidant supplements such as vitamins, CoQ10, zinc, or other fertility supplements routinely to all men trying to conceive.

When should you consider a semen analysis?

If pregnancy is taking longer than expected, a fertility evaluation should consider both partners rather than evaluating only the person trying to become pregnant. A semen analysis is one of the basic tests used to assess male fertility.

If there is a history of testicular problems, reproductive surgery, cancer treatment, sexual or ejaculation difficulties, or other conditions that may affect fertility, it may be appropriate to seek medical advice earlier.

Preparing for pregnancy is something both partners can participate in. Looking after general health and addressing known risk factors can be a useful first step.