dpo

Implantation Timeline: Day-by-Day After Ovulation (2026)

Implantation Timeline: Day-by-Day After Ovulation (2026) Implantation happens 6 to 12 days past ovulation (DPO), and roughly 84% of successful pregnancies implant on days 8, 9, or 10 — with 9 DPO the single most common day. Use the implantation calculator(/health/implantation-calculator) to pin your exact window from your last period and cycle length. Consider a typical case of charting three full cycles while trying to conceive, logging basal body temperature every morning and counting days past ovulation closely. On the cycle that worked, a test at 10 DPO came back a stark white negative — then a clear second line appeared at 13 DPO on the very same cycle, after nothing changed except waiting three more days. That gap illustrates the single most useful fact about this timeline: a negative test before 12 DPO usually measures impatience, not hCG, because the hormone simply has not doubled enough times yet. !Implantation...