Megumin, the beloved character from the popular anime and light novel series Konosuba, does not have a baby.
Megumin is a young, single, and very powerful mage who is primarily focused on her magical abilities and her pursuit of the ultimate explosion spell. She doesn't have any romantic relationships or children in the series.
While some fans have imagined Megumin as a mother figure or speculated about her potential for a family in the future, there is no indication within the canon of the story that she has a child.