Based on the description of this game can be found here as well,
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. Pregnancy is not on their list. they do have rim jobs as filtered out. Again, it is really up to developer(s) to determine if they want to do pregnancy. Since I have seen demands for it and I also seen other postings not to have it. Someone mention mods, that also takes some time as well. There been few posting that the developer(s) are not planning to do it.
Keep in mind, there are things we want that we cannot get, that it part of life. we just need to keep moving forward. However the future can change, which the developer(s) could change their mind. In this case, respect the developer(s) decision, weather we like it or not.