you've been trying for a few months — or maybe longer. and every time your period shows up, the same thought creeps in: is something wrong with me? before you spiral, here's what the numbers actually say.
the real timeline
for healthy couples with no known fertility issues, the data (via ASRM) looks like this:
after 1 month: ~30% conceive
after 3 months: ~60%
after 6 months: ~80%
after 12 months: ~85%
read that again: 1 in 5 couples with no fertility problems still won't be pregnant after 6 months. that's not a problem — that's the normal spread. conception is more of a "most months it doesn't happen, even when everything's fine" process than anyone tells you.
why each month is lower-odds than you'd think
even with perfect timing, a healthy couple has roughly a 15–25% chance of conceiving in any given cycle. so several months of negatives is mathematically expected, not a red flag. it doesn't feel that way at 2 a.m., but the odds are on your side over time.
when should you see a specialist?
these aren't failure points — just the sensible moment to get data:
under 35: see a reproductive endocrinologist (RE) after 12 months of trying
35–39: after 6 months
40+: after 3 months, or even before you start
and at any age: if something feels off — very irregular cycles, no periods, known conditions, pelvic pain — don't wait for the calendar. make the appointment.
what actually affects how long it takes
age — fertility declines gradually after 30 and more noticeably after 35, though plenty of women conceive naturally into their late 30s and early 40s.
ovulation regularity — irregular cycles can mean irregular or absent ovulation, which makes timing harder.
timing — you're most fertile in the ~5 days before ovulation and the day of. outside that window, pregnancy isn't possible that cycle, so knowing roughly when you ovulate matters more than frequency.
underlying conditions — PCOS, endometriosis, thyroid issues, and blocked tubes can all play a role.
sperm factors — male factor accounts for about 30–40% of fertility challenges. it is genuinely not always about you.
what you can actually do
track your cycle to learn your fertile window, have sex every 1–2 days during it, and take a prenatal with folic acid. beyond that, a lot of this isn't in your control — and "just relax" is not a fertility treatment. if you're past your age-based timeline, getting evaluated is information, not failure.
the bottom line
if you're under your timeline and everything checks out, you're very likely in the normal range — even though the waiting is one of the hardest parts of this whole journey. and if your gut says something's off, you don't need to hit 12 months to ask. → while you wait: how to survive the two-week wait
frequently asked questions
how long is it normal to try before getting pregnant? up to 12 months is considered normal if you're under 35 (6 months if you're 35+). about 85% of couples conceive within a year.
what are my chances of getting pregnant each month? roughly 15–25% per cycle for a healthy couple with good timing — which is why several months of trying without success is expected, not alarming.
does it take longer to get pregnant after 35? on average, yes — fertility declines more noticeably after 35 — but many women conceive naturally in their late 30s and 40s. the main change is the recommendation to get evaluated sooner (after 6 months at 35–39, 3 months at 40+).
am i infertile if it's been 6 months? not necessarily — 1 in 5 couples with no fertility issues aren't pregnant at 6 months. "infertility" is generally defined as 12 months of trying (6 if you're 35+). if you're worried sooner, an evaluation is reasonable.
how often should we have sex to conceive? every 1–2 days during your fertile window (the ~5 days before ovulation and the day of) is plenty.
related: 7 things you're googling at 2am
sources: ASRM / ReproductiveFacts · ACOG — Evaluating Infertility