Trying to Conceive Guide: Timing, Tests and Next Steps

Maybe the month started with another negative test. Maybe you are just starting and want to avoid months of guesswork. Trying to conceive can feel like a calendar you cannot read.

Here is the honest answer: conception is possible in a window that runs from about five days before ovulation to several hours after it, so timing matters. If it is not happening after a stretch of trying, a clinician can help you look at the cause. This guide sorts out what to do first, what each option can and cannot tell you, and when to get help.

Step 1: Learn when you are most fertile

You are at the start, and you want to know which days matter. The womenshealth.gov trying-to-conceive page says normal cycles run from 21 to 35 days. The time before ovulation can vary, and it can change from month to month in the same woman.

Official guidance says you are most likely to get pregnant two to three days before your temperature hits its highest point, and 12 to 24 hours after ovulation. Sperm can live up to three days in a woman’s body, so sex a few days before ovulation can lead to pregnancy. The 2023 Cochrane update defines the fertile window as approximately five days before ovulation to several hours after it.

Once you know the window, the next question is how to find it in your own body. That is the job of tracking.

Step 2: Pick a tracking method that fits your cycle

Womenshealth.gov describes three main ways to track fertile days, and it says the most accurate approach combines them. Over-the-counter kits and fertility monitors are also an option. Each one has a different job.

The 2023 Cochrane update found that urine ovulation tests probably increase live birth compared with no ovulation prediction (risk ratio 1.36, one trial). It also found that timed intercourse with these tests probably increases clinical pregnancy or positive urine pregnancy tests across four trials. The review found the evidence for fertility awareness methods too uncertain to show a benefit.

The same review lists stress, time and the cost of kits and app subscriptions as possible downsides. Read a positive result as a signal, not a confirmed ovulation or pregnancy. Our ovulation predictor test guide explains that in more detail.

If you have tracked for several months and still have no pregnancy, the next step is a visit, not another cycle of guessing.

Step 3: Get a clinician to look at the cause

You may be ready to book now, or you may be wondering whether it is too early. A clinician visit makes sense when you have been trying for a while and want to know what is going on. It also makes sense before you start if you want to plan.

Our fertility evaluation question map lists what can come up.

Some tests you may hear about include semen analysis, and our semen analysis guide explains its results.

On age: the 2023 Cochrane update looked at women under 40, so its findings do not answer the question for women 41 and older. Age does change timing and odds, and no single number settles it for everyone. If you are 41 and trying, a clinician visit sooner is a reasonable first step. The age when most eggs are gone is not given in the guidance on this page.

Clinic success rates are easy to misread. Our guide to clinic success rates explains why a published number is not a prediction for you.

Step 4: Check medicines and health conditions first

Some medicines and conditions can affect conception. Never start, stop or change a medicine on your own. Take this question to a clinician who knows your history.

A 2019 review of SSRIs and fertility found insufficient evidence that SSRIs reduce fertility. It noted that six of seven male studies found an adverse effect on semen parameters, though most male studies were of relatively poor quality. For a man, that is a point to raise with a clinician, not a reason to stop on your own.

A 2019 systematic review on anti-rheumatic drugs in men found no firm evidence of harm to fertility or pregnancy outcomes for many drugs. It did note known adverse effects of cyclophosphamide and sulfasalazine on sperm production.

For endometriosis, a 2025 review in Human Reproduction says hormonal treatments hinder conception. Doctors may pause them for about a year to diagnose infertility, which exposes women to a risk of recurrence or progression. The review says the choice is a balance that physicians and patients make together. Our endometriosis care visit guide helps you prepare for that conversation.

In PCOS, a 2011 Cochrane review of statins in women not actively trying to conceive found no good evidence that statins improved menstrual regularity or spontaneous ovulation. Statins did lower testosterone levels. A 2022 Cochrane review of luteal phase support across 25 trials found that it is uncertain whether vaginal progesterone increases live birth, with low-certainty evidence. Both are prescription questions for a clinician.

Some conditions need their own care plan. Our guides on uterine fibroids and uterine septum cover those options in plain language.

Step 5: Weigh supplements with the research in view

Supplements are the option readers ask about most. Look at what the product says, what the studies found for each ingredient, and what safety data exists.

For anyone who could become pregnant, our prenatal vitamins guide covers benefits and safety. Our folic acid label guide shows how to read the serving math.

For sperm, our CoQ10 guide and our supplements for sperm motility guide cover the research in more detail.

Safety matters as much as benefit. A 2017 systematic review of 26 supplement studies on heart rhythm found that eight showed a significant change in QT or QTc intervals. A 2023 narrative review counted 79,071 adverse event reports for supplements to the FDA from 2004 to 2021 and argues that oversight of these products falls short. Those are reasons to read labels closely.

If a specific product has caught your eye, read its guide first, such as the Stallion Power Gummies guide. Our ingredient evidence guide and plain-language study guide help you read claims and trial results.

Step 6: Sort out early pregnancy questions

Many readers search for early signs, two-finger tests and home test timing. Online lists disagree a lot, and this guide does not give one. The official guidance here is about cycles and timing, not symptoms.

For home urine tests, follow the label and the instructions. An LH surge from an ovulation kit is a sign that ovulation may come. It does not confirm ovulation or pregnancy, as our ovulation tests guide explains.

After ovulation, womenshealth.gov says most women will have a period within 14 to 16 days. A late or irregular period is a reason to speak to a clinician, and a clinician can confirm a result if you need certainty. Our fertility awareness calendar guide covers how cycle records can help you spot that pattern.

Once you know where you stand, the last part of the journey is looking after yourself and your partner along the way.

Step 7: Look after your health, your partner and your stress

Trying to conceive is stressful, and that is part of the story. A registered trial on ClinicalTrials.gov (NCT03031990) is testing whether yoga lowers stress in people trying to conceive. Its status is listed as unknown, with 300 planned participants. A registration describes a study; it is not a result.

Talk with your partner about timing, tests and costs in plain words. Our guide on sexual consent and communication covers respectful conversations. If you are testing for infections, our at-home STI tests guide explains results and follow-up.

If a pregnancy ends or you need support afterward, our miscarriage follow-up guide covers care and support. If you do get pregnant, our postpartum support plan helps you line up contacts early.

Your next step

1. Learn your fertile window and pick one tracking method to start with.
2. Write down your cycle lengths, medicines, supplements and vaccine records.
3. Book a clinician visit if you have been trying for a while without success, or sooner if age is a concern for you.
4. Bring your records, your questions and any product label you are considering.
5. Read the checkout terms for any product before you pay.

Book a clinician visit if you have been trying for a while without success, or sooner if age is a concern. Bring your cycle record, your medicine and supplement list, your vaccine records, and the questions you want answered.

Every guide on this topic

Timing and tracking

• How to Track Ovulation: Signs, Tests and Fertile Days: the signs and tests that find your fertile days.
• Fertility Awareness Methods: What They Track and Limits: what each method can and cannot confirm.
• Fertility Awareness Calendar, Mucus and Temperature: how each tracking method works.
• Ovulation Predictor Tests: Positive Result Limits: what a positive result means.
• Ovulation Tests and Cycle Tracking: Limits: what each test can and cannot tell you.
• Irregular Periods: Medicine Options and Causes: options and causes for irregular cycles.
• What Can I Drink to Make My Period Come: what the question covers and what it does not.

Clinician visit and testing

• When to Seek a Fertility Evaluation: Age and Time Trying: when to book a visit.
• What a Fertility Evaluation May Include: the questions and tests to expect.
• Preconception Visit Checklist: medicines, vaccines, history and questions.
• Planning for Pregnancy: Preconception Checklist: health, medicines and folic acid.
• Vaccination Records Before Pregnancy: what to review with a clinician.
• Semen Analysis Results: Measures and Limits: reading the numbers on a report.
• Semen Analysis Basics: Count, Movement, Shape and Repeat Testing: collection and repeat testing.
• Ovarian Reserve Testing: AMH, FSH and AFC Explained: what the tests estimate.
• Ovarian Reserve Testing: AMH, FSH and Antral Follicle Count: how the tests are used.
• Genetic Carrier Screening: Who Should Consider It: what it tests and how results work.
• Fertility Clinic Success Rates: Denominators and Patient Mix: how to read published numbers.
• Fertility Treatment Basics: IUI, IVF and ICSI: the levels of treatment.

Medicines and health conditions

• Endometriosis Symptoms and Diagnosis: Care Visit Guide: preparing for a care visit.
• Polycystic Ovary Syndrome: Diagnosis, Treatment and Fertility: criteria and options.
• Uterine Fibroids: Symptoms, Types and Treatment Options: what to know about fibroids.
• Uterine Septum: Pregnancy Impact and Surgery: what a septum can mean for pregnancy.
• Post-Bariatric Surgery Pregnancy Nutrition Monitoring: nutrition and monitoring.
• Pregnancy After Bariatric Surgery: Timing and Monitoring: timing and monitoring.
• At-Home STI Tests: Results, Limits and Follow-Up: results and next steps.

Supplements and products

• Prenatal Vitamins When Not Pregnant: Benefits and Safety: folic acid and safety.
• Folic Acid Prenatal Label: Serving Math Questions: reading the label.
• Fertility and Supplements: Evidence From Marketing: telling research from claims.
• Male Fertility Supplements: Research, Motility and Options: what the research covers.
• Supplements for Sperm Motility: What Research Shows: ingredients studied most.
• CoQ10 for Sperm Motility: Research and Questions: the CoQ10 studies.
• Is Too Much CoQ10 Bad for Fertility?: benefits and safety.
• How to Improve Sperm Count: Food, Testing and Evidence: food, testing and next steps.
• Watery Sperm and Pregnancy: Fertility Questions: common questions answered.
• Stallion Power Gummies: Ingredients, Price and Expectations: a product guide.
• Where to Buy DirectMax: Price, Safety and Ordering: a seller guide to read before ordering.

Pregnancy care and support

• Hyperemesis Gravidarum vs. Morning Sickness: telling the two apart.
• Pregnancy and Exercise: Safe Activity Guidelines: activity and when to modify.
• Vaccination Records Before Pregnancy: what to review before pregnancy.
• Miscarriage Follow-Up: Care and Support: care and support afterward.
• Postpartum Support Plan Before Birth: contacts and check-ins.

Relationship and support

• Sexual Consent and Communication: Respectful Conversations: talking with your partner.

ReproductiveHealthCtr.com is a publication. This guide is for education and does not replace care from a clinician.

By ReproductiveHealthCtr.com Health Education Team