Here are some other BTT chart examples following on from our “Help Please Am I Ovulating” blog. As you can see in Part 1, ovulation isn’t always the same each month and can be tricky to work out when you’re getting started with charting.

The body tried to ovulate on day 14 but temps came down to pre-ovulation level.
Successful ovulation on day 18 when temps jumped up and stayed up!

The body tried to ovulate on day 13 but didn't get it done as temps came down to pre ovulation level. Body successfully ovulated on day 15!
(with 3+ days of high temps after day 15 to confirm ovulation happened before day 19)

BIG ovulation jump on day 14

Sex (X) day 10, ovulation day 12
If you get more than 15 days after ovulation - you're pregnant!!