Major depressive disorder is a mood disorder, and while environment plays a large role, there is a genetic component. Current research suggests that children with one parent with MDD are 2-3 times more likely to suffer themselves, and being that around 5-8% of of the general population suffer with depression, that means children of patients will be around 15% more likely to have the disorder. But don’t take this as what is absolutely going to happen. Also, depression is more common in women, so similarly it may be less common for men to pass it along to their children.
Continue with the medication as long as it has a positive effect on you. And be honest with someone you are looking to marry. You should want to spend the rest of your life with someone accepting of you, both your triumphs and your struggles.