I have been taking Micronor since giving birth and I have just finished breastfeeding. Should I change my pill or can I continue with this one since it suits me?

It is important to take the Micronor pill at the same time every day within a strict 3-hour window for it to be effective. If you are more than 3 hours late, the pill may not work as intended. However, if you use an alarm to remind you and take it consistently at the same time, there should theoretically be no issue with continuing to use it.