I had awful problems with Dianette. It was causing tumours to grow in my breasts (not cancerous thankfully) apparently, I should have only been on it for a maximum of 3 months but was on it for 3 years!!! It was also banned at one point because of so many compliants...... I always tell my friends to get another brand. Although your problems are most likely to be because of you forgetting to take it, I wouldn't risk it personally. To help remember in future, try putting it into your routine, like after brushing your teeth for example.