Just do it. I have had two babies and was unable to so much as walk any significant distance during either pregnancy. I spent a lot of time in bed. I lost all, and I do mean all, of my fitness. When the kids were babies, I was running maybe 10 miles a week, just like you, and pretty much hated running. Then, when my youngest was two, I signed up for the Tough Mudder of all things, and was scared into getting back into shape.
That was about a year ago, and I feel GREAT. Seriously. I'm a minute or so off my high school PRs and hoping to get there in the next year. I'm hoping to challenge my half marathon PR in a few weeks (set 13 years ago).
Yes, getting in shape is annoying, but it really doesn't take that long. Until recently, I just started thinking of post-baby PRs. And it's very satisfying to start again and see your times drop and drop as you get back into shape.
My own policy is to exercise 6 days per week, usually running, but sometimes swimming or biking. No matter what. They say it takes 3 months to form a habit, and nowadays, I've gotten used to getting up early and running in all kinds of weather. Worth it.