Two-week wait (TWW): what it means
The two-week wait (TWW) is the time between ovulation and the day a pregnancy test can give a reliable result, usually around 14 days. During it, a fertilized egg may travel to the uterus and implant. Progesterone is high either way, so early pregnancy and PMS symptoms feel very similar during the wait.
What happens during the two-week wait
| Days past ovulation | What may be happening |
|---|---|
| 0 to 1 | egg can be fertilized in the fallopian tube |
| 3 to 5 | the zygote divides as it travels to the uterus |
| 6 to 10 | implantation usually happens; hCG production starts |
| 10 to 14 | hCG may reach levels a home test can detect |
Count where you are with the DPO calculator, and see when to take a pregnancy test.
Why symptoms are so confusing
After ovulation the corpus luteum makes progesterone whether or not you are pregnant. That is why sore breasts, bloating, tiredness and mood changes show up in both cases. No symptom reliably tells you the answer before a test. See PMS vs pregnancy symptoms.
Looking after your mood in the wait
The TWW is famously hard emotionally: hope and worry can swing day to day, on top of luteal-phase sensitivity. Some things people find helpful:
- Plan small, absorbing activities for the evenings.
- Limit symptom searching to a set time, or not at all.
- Agree with a partner on when you will test, so the date is fixed.
- Be gentle with yourself if the result is not what you hoped for. That grief is real.
Frequently asked questions
Can I test before the two-week wait is over?
You can, but an early negative is often wrong because hCG may not be high enough yet. Testing on or after the day your period is due is more reliable.
Is spotting during the two-week wait a sign of pregnancy?
Sometimes light implantation bleeding happens, but spotting is also common before a period. Only a test can tell.
Sources
- NHS: Doing a pregnancy test
- Wilcox AJ et al. Time of implantation of the conceptus and loss of pregnancy. NEJM (1999)
This page is for information only and isn’t medical advice. If something worries you, please talk to a doctor.
Keep reading
Days past ovulation calculator: how many DPO am I?Days past ovulation calculator: enter your ovulation day to see how many DPO you are today, what's happening in your body and when a pregnancy test works.
Days past ovulation (DPO): definition and meaningDPO means days past ovulation, a way to count time in the two-week wait. What each DPO milestone means and when a pregnancy test can turn positive.When should you take a pregnancy test?How soon can you take a pregnancy test? Most work from the first day of a missed period. When early tests work, best time of day, and when to test again.PMS or pregnancy? How to tell the differencePMS vs pregnancy symptoms look almost the same: sore breasts, cramps, tiredness, mood swings. The few clues that differ, and when a test is reliable.
Implantation: definition and meaningImplantation is when a fertilized egg attaches to the lining of the uterus, usually 6 to 10 days after ovulation. What happens, timing and signs.