Ovulation Day for a 21-day Cycle When the Last Period Started on October 05, 2025
⚪ Ovulation day (highest chance for pregnant) is:
2025-10-12 (Sunday)
📅 Fertile window: Oct 08 - Oct 13
| Wed | Thu | Fri | Sat | Sun | Mon |
| Oct 08 | Oct 09 | Oct 10 | Oct 11 | Oct 12 | Oct 13 |
| 👦 | 👦 | 👦/👧 | 👧 | 👧 | 👧 |
Pregnacy test day: Oct 27 2025
💡 According to recent studies, the chance of conception during ovulation is about 25%. Therefore, do not worry when the test comes out negative. Another chance is just a month of waiting.
If pregnant:
🤱 Due date: Jul 12 2026 (Sunday)
If not pregnant.
🩸 Next period: Oct 26 2025
⚪ Next ovulation: Nov 02 2025
Nearest days of ovulation for a 21-day cycle
- Ovulation day for a 21-day cycle when the last period started on October 1
- Ovulation day for a 21-day cycle when the last period started on October 2
- Ovulation day for a 21-day cycle when the last period started on October 3
- Ovulation day for a 21-day cycle when the last period started on October 4
- Ovulation day for a 21-day cycle when the last period started on October 5
- Ovulation day for a 21-day cycle when the last period started on October 6
- Ovulation day for a 21-day cycle when the last period started on October 7
- Ovulation day for a 21-day cycle when the last period started on October 8
- Ovulation day for a 21-day cycle when the last period started on October 9
The closest calculation of the day of ovulation for different cycle lengths when the first day of the period was October 5, 2025
- Ovulation day for a 21-day cycle when the last period started on October 5
- Ovulation day for a 22-day cycle when the last period started on October 5
- Ovulation day for a 23-day cycle when the last period started on October 5
- Ovulation day for a 24-day cycle when the last period started on October 5
- Ovulation day for a 25-day cycle when the last period started on October 5