13 weeks of showing up

Week 1 of 13

Start with no alcohol

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Alcohol is worth changing before pregnancy, including for fathers. In a study of 1,221 young Danish men, heavier regular drinking was linked with fewer sperm and fewer sperm of normal shape. Other studies have found different results at moderate intake, so there is no reliable number of drinks that guarantees healthy sperm. [1,3]

The child matters too. In a Chinese study of 529,090 couples, fathers who drank at least weekly before conception had 35% higher adjusted odds of a reported birth defect. That does not mean 35% of their babies had a defect. The study found a link; it could not prove that alcohol caused it. Choosing no alcohol removes an avoidable exposure while preparing for a baby. [2]

If you drink heavily every day or have had withdrawal symptoms, get medical help before stopping suddenly. [19]

Sources: [1] Alcohol and semen quality, [2] Fathers' alcohol use and birth defects, [3] Alcohol findings are not uniform, [19] Stopping alcohol safely

Week 2 of 13

Leave weed out

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

The often-quoted 30% figure comes from a real study, but it has a specific meaning. Researchers studied 1,215 Danish men aged 18-28. Men using cannabis more than once a week in the previous 3 months had about 29% lower total sperm count than non-users, after adjustment for other factors. Sperm concentration was about 28% lower. [4]

This was an observation, not a test that randomly gave men cannabis. Other human studies have had mixed results. We cannot promise that stopping will raise your count by 29%. Still, avoiding cannabis is a sensible way to remove a possible risk while trying for a baby. Edibles do not make this concern disappear. [5]

Sources: [4] The roughly 30% cannabis finding, [5] Smoking, vaping and cannabis guidance

Week 3 of 13

Move your body

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Sperm need to move well to reach an egg. Regular exercise may support that process. In a randomized study of 280 healthy men, exercise improved several sperm measures and reduced signs of cell stress. Moderate, steady exercise did best among the training plans tested. The researchers measured sperm, not a guaranteed increase in births. [6]

Choose movement you can keep doing: brisk walks, swimming, strength work or another activity you enjoy. Build up gradually. A hard session every day is not the goal. Rest and recovery can be part of a good plan. For this calendar, mark a plus when you follow the plan you set, including planned rest days.

Sources: [6] Exercise and sperm measures

Week 4 of 13

Cover food gaps

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Making sperm, called spermatogenesis, takes nutrients from food. A varied diet helps supply them. If your food intake misses some vitamins or minerals, a suitable multivitamin can help fill gaps. This is most useful when a gap is real, such as a very limited diet or a diagnosed deficiency. A pill cannot replace meals or remove every risk of low nutrient intake. [7]

More is not always better. Do not stack several products or take large doses for a promised fertility boost. In a large trial, men taking folic acid plus zinc did not have better semen results or more live births than men taking a placebo. Use supplements to meet needs, with advice when needed, rather than as a guarantee. [8]

Sources: [7] Multivitamins and food gaps, [8] Fertility supplement trial

Week 5 of 13

Do not save sperm for weeks

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Your body keeps making sperm. Long periods of saving it up are not needed to improve your chance of pregnancy. Longer gaps can worsen some semen measures. Ejaculating every 3-5 days can be a practical routine when you are not in the fertile window, but this is not a proven freshness rule for every man. [9]

When you are trying, do not wait 3-5 days between attempts just to follow this worksheet. Intercourse every 1-2 days in the fertile window gives the best chances. Daily intercourse is also fine if you both want it. Follow the separate abstinence instructions from your clinic if you are giving a semen sample. Keep this choice separate from your daily habit score.

Optional ejaculation dates this week: ________________________________________

Sources: [9] Ejaculation frequency and the fertile window

Week 6 of 13

Protect your sleep

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Sleep helps your body recover and keeps daily routines easier to manage. In a study following 1,176 couples, men reporting less than 6 hours of sleep had a lower chance of conception in each cycle than men reporting 8 hours. That link does not prove that a set bedtime will cause pregnancy. [10]

Adults aged 18-60 generally need at least 7 hours. Give sleep enough room in your day and aim for a regular schedule when possible. Shift work, a new baby, pain or illness may make this hard. Set a goal you can act on, rather than blaming yourself for a bad night. Get help for ongoing sleep problems or loud snoring with pauses in breathing. [11]

Sources: [10] Sleep and time to pregnancy, [11] Sleep duration for adults

Week 7 of 13

Make room to breathe

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

You do not need to feel calm all the time to become a father. Stress is part of life, and fertility worries can add to it. In a study of 193 men, higher reported stress and stressful life events were linked with some poorer sperm measures. That study did not test whether meditation improves fertility. [12]

A calm break can still help you cope and make it easier to sleep, talk and stick with a routine. Try slow breathing, a gentle walk, music or time with someone you trust. Mark a plus for taking your break, even if you still feel worried afterward. Being anxious is not a failure and does not mean you caused a fertility problem.

Sources: [12] Stress and semen quality

Week 8 of 13

Show up for the fertile window

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Timing matters. The fertile window is the five days before ovulation plus ovulation day. Ovulation is when an ovary releases an egg. A classic study followed 221 women using daily hormone samples; pregnancies began after sex in this six-day window. Outside the true window, the chance is much lower. [13]

Count cycle days from the first day of full period bleeding, not from the day bleeding ends. Ovulation dates can shift, even with regular cycles. A calendar is an estimate. If tracking feels stressful, intercourse every 2-3 days through the cycle is another simple way to cover likely fertile days. You can try while building these habits; there is no need to wait until week 13. [18]

Sources: [13] The six-day window, [18] Cycle dates and regular attempts

Week 9 of 13

Get smoke out of the routine

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Smoking exposes you to chemicals that can damage cells. Research links smoking with poorer sperm count, movement and shape. Smoke in shared spaces also exposes your partner. Vaping is not proven to be a safe fertility swap. [5]

Quitting can take more than one attempt. Use help: a clinician, a quit service or a treatment plan. For this worksheet, approved nicotine replacement used as part of quitting does not count as smoking or vaping. If you have a slip, record it honestly and return to the plan at the next choice. A minus is information about a habit, not a judgment about you.

Sources: [5] Smoking, vaping and cannabis guidance

Week 10 of 13

Keep heat in check

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

The testicles sit outside the body, where they can stay cooler. Repeated high heat may affect sperm production. In a small study, 10 men used a sauna twice a week for 3 months. Their sperm count and movement fell, then recovered after the sauna use stopped. This does not tell us a safe heat limit for every person. [14]

A simple change is to avoid deliberately heating the testicles for long periods. There is no need for ice packs or extreme cooling. Normal exercise and ordinary warmth are not reasons to panic. A fever is an illness, not a bad habit. Note it for a clinician if you later have a semen test, and focus on getting well.

Sources: [14] Sauna exposure and sperm

Week 11 of 13

Feed the routine

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Food is a daily chance to support your whole body. Build meals around a mix of vegetables, fruit, beans, whole grains and suitable protein foods. Include sources of healthy fats. Make the plan fit your budget, culture and allergies. This is not a special fertility menu. [7]

One trial gave 119 healthy men either their usual diet with mixed nuts added or their usual diet without nuts for 14 weeks. Several sperm measures improved in the nut group. The trial did not prove that nuts increase pregnancy rates. You do not need to copy its large daily portion or eat nuts if you are allergic. The useful goal is a varied, repeatable food pattern. [15]

Sources: [7] Multivitamins and food gaps, [15] Food and sperm measures

Week 12 of 13

Review medicines and hormones

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

Testosterone treatment can make someone feel better while reducing sperm production. Testosterone from outside the body can turn down the hormone signals that tell the testicles to make sperm. For some men, sperm production can stop. Recovery after treatment changes may take months or longer. [16]

Tell the prescriber about your plans for a baby. This includes testosterone shots, gels, anabolic steroids and products sold for muscle or hormone boosts. Do not stop prescribed treatment or start a replacement plan yourself. Ask for a fertility-aware review. Bring your full medicine and supplement list so you can make a plan that fits your health needs.

Sources: [16] Testosterone and sperm production

Week 13 of 13

Keep showing up

Choose + or - for each habit. Click a selected mark again to clear it. Leave unknowns blank.

Why this matters

You have made room for 91 days of steady effort. Sperm development takes weeks, and the timing varies between men. In a small human study, newly labeled sperm appeared after an average of 64 days. Thirteen weeks gives you a useful stretch of routine; it is not a switch that makes all sperm new or guarantees pregnancy. [17]

Use your totals to see what became easier and what still needs support. A 10:1 plus-to-minus ratio means you met this workbook's habit target. It does not measure sperm or prove you are fertile. Circle Trying or Not trying as your own next-step choice. If you are already trying, you can keep going while you improve the routine. Get help when it is due; a good score is not a reason to delay care.

Sources: [17] How long sperm development takes