Organizing your parental leave can be stressful, exciting, full of anxiety, as well as a whole host of emotions you may not even be able to specifically articulate. This is a big moment in your life, and your parental leave down to every detail will help make the process of welcoming your new child much smoother.
Before submitting your request, make sure to check your company's policies (probably in the employee handbook), your benefits package, and the regulations in your area so you have a clear idea of what you're entitled to.
If you're unsure, confused, or uncomfortable with any aspect of the plan, bring it up with your manager immediately. It's much better to overcommunicate something than presume it'll all work out later.
It'll also take that one extra worry out of your head, and let's be honest: You already have enough worries floating around in there.