I commute three times a week, in the summer season about 4-5 times a week. I have two kids, 4 yo and 6 yo. I do the same thing as peliot. I take the kids to their daycare/preschool in the car, drop the car off back to home and get on the bike. No problem. Wife or grandparents pick the kids up in the afternoon.

Kids do limit my riding time, because I want to spend time with them. There's no point in having kids and think that they will have no impact on your life. That's why I decided to ride whenever it's possible, early in the mornings, late in the evenings, and in any weather (rain, ice, snow), and never make excuses for not riding. It would be way too easy in this situation...