Fertility testing ranges from simple at-home tracking methods to clinical bloodwork and imaging, and the right starting point depends on your age, how long you’ve been trying, and whether you have any known risk factors. Most people begin with low-cost options like ovulation tracking or a semen analysis before moving to more detailed hormone panels and structural exams.
When to Start Testing
The American Society for Reproductive Medicine recommends starting a formal fertility evaluation after 12 months of regular, unprotected sex if you’re under 35, or after 6 months if you’re 35 or older. For women over 40, a more immediate workup is reasonable given the steeper decline in egg quantity and quality during that decade. These timelines shift if you already have a known condition linked to infertility, such as endometriosis, polycystic ovary syndrome, a history of pelvic infections, or irregular periods. In those cases, testing right away makes sense rather than waiting out the clock.
Tracking Ovulation at Home
The simplest fertility test for women is confirming that ovulation is actually happening each cycle. Over-the-counter ovulation predictor kits detect the surge of luteinizing hormone (LH) in your urine that triggers egg release. Once a urine test picks up that surge, ovulation typically follows within 12 to 24 hours. In the bloodstream, the LH rise precedes ovulation by about 36 to 40 hours, which is why urine kits give you a slightly shorter window than a blood draw would.
Basal body temperature tracking is another option. Your resting temperature rises slightly (about 0.5 to 1°F) after ovulation due to progesterone. The catch is that this shift only confirms ovulation after it’s already happened, so it’s more useful for identifying patterns over several cycles than for timing intercourse in any single month. Combining both methods gives you the clearest picture of whether and when you’re ovulating.
Hormone Blood Tests
If ovulation tracking alone doesn’t give you answers, bloodwork offers a deeper look at what’s happening hormonally. These tests are ordered by a gynecologist or reproductive endocrinologist and are typically drawn on specific days of your cycle.
AMH (Anti-Müllerian Hormone)
AMH reflects your ovarian reserve, essentially how many eggs you have left relative to what’s expected for your age. It can be drawn on any day of your cycle. Average levels fall between 1.0 and 3.0 ng/mL, while anything below 1.0 ng/mL is considered low. At 0.4 ng/mL, ovarian reserve is severely diminished. To put age-related decline in perspective: a typical 25-year-old has an AMH around 3.0 ng/mL, a 35-year-old around 1.5 ng/mL, and a 40-year-old around 1.0 ng/mL. AMH tells you about egg quantity, not egg quality, so a low number doesn’t automatically mean you can’t conceive, but it does affect how your body would respond to fertility treatments.
Day 3 FSH
Follicle-stimulating hormone is measured on the third day of your period and works as another gauge of ovarian reserve. Your brain produces more FSH when the ovaries need extra stimulation to develop follicles, so a higher number can signal declining reserve. In IVF studies, women with Day 3 FSH below 15 mIU/mL had significantly better pregnancy rates per cycle than those with levels between 15 and 24.9 mIU/mL. Above 25 mIU/mL, success rates dropped further. FSH and AMH are often ordered together because they measure slightly different aspects of the same picture.
Other Hormones
Your doctor may also check estradiol (drawn alongside FSH on Day 3), thyroid hormones, and prolactin. Thyroid dysfunction and elevated prolactin are both treatable causes of irregular ovulation that can be caught with a simple blood draw. Progesterone is sometimes measured about a week after ovulation to confirm that the hormonal shift needed to support an early pregnancy is occurring normally.
Ultrasound and Antral Follicle Count
A transvaginal ultrasound early in your cycle lets a clinician count the small resting follicles visible on each ovary, called the antral follicle count (AFC). This number, combined with AMH, gives the clearest snapshot of ovarian reserve. A count of 14 to 35 across both ovaries is considered normal, while 4 to 9 is low and fewer than 4 is extremely low. The ultrasound also checks for structural issues like ovarian cysts, fibroids, or other abnormalities that could affect conception or implantation.
Checking the Uterus and Fallopian Tubes
Blocked or damaged fallopian tubes account for a significant portion of female infertility, and uterine abnormalities like polyps, fibroids, or scar tissue can prevent a fertilized egg from implanting. Two common procedures evaluate these structures.
A hysterosalpingogram (HSG) uses X-ray imaging. Dye is injected through the cervix into the uterus, and X-rays track its path through the uterine cavity, into the tubes, and out the other end. If the dye flows freely, the tubes are open. A sonohysterogram (SHG) takes a different approach: saline is injected into the uterus while a vaginal ultrasound visualizes the cavity in real time, which is especially good at spotting polyps, fibroids, or scar tissue along the uterine lining. If your doctor also wants to check tubal patency during an SHG, a technique called FemVue can be added, where small bubbles are injected through the same catheter to see whether they pass through the tubes.
Both procedures are done in an office setting, take about 15 to 30 minutes, and involve some cramping similar to a bad period. Your doctor will recommend one over the other depending on whether tubal blockage or a uterine cavity issue is the bigger concern.
Testing Male Fertility
Roughly half of infertility cases involve a male factor, so testing both partners early saves time. The cornerstone test is a semen analysis performed at a lab or fertility clinic. It evaluates sperm count, motility (how well sperm swim), morphology (shape), and semen volume in a single sample. Results are available within a few days.
At-home sperm tests have become widely available, but they come with real limitations. Some kits, like YO, measure sperm concentration and motility but skip ejaculate volume and morphology. Others, like SpermCheck, only measure sperm count without evaluating motility at all. Since fertility depends on all of these factors working together, an at-home kit that shows a “normal” count could miss a significant motility or morphology problem. These tests are reasonable as a first pass if getting to a clinic feels like a barrier, but a normal result doesn’t rule out male factor infertility, and an abnormal result will need clinical follow-up regardless.
What the Results Actually Tell You
Fertility testing is better at identifying obstacles than at predicting exactly how long it will take to conceive. A normal set of results means no obvious barriers were found, but it doesn’t guarantee quick success. Roughly 10 to 15 percent of couples have what’s called unexplained infertility, where all standard tests come back normal yet pregnancy doesn’t happen on the expected timeline.
On the other hand, an abnormal result often points to something treatable. Thyroid imbalances, irregular ovulation, mild male factor issues, and even some cases of tubal blockage can be addressed with medication, minor procedures, or assisted reproduction. The value of testing is that it narrows down where the problem sits so you’re not guessing. If you’re weighing whether to start, the most efficient approach is testing both partners at the same time rather than working through one person’s full evaluation before looking at the other.