The initial requirements are your Player Level and your relationship level with other Sims.Player Level is your actual progress status in the game while the Relationship Level is your status with other Sims.To unlock this feature, you should be at least Player Level 11 and at least Relationship level 3 with other Sims. It can be Friends, Romantic Interest, or even Enemy.Once you've got those requirements mentioned above, you'll be getting two new quests. "Oh, Baby!" and "Baby Crazy". You need to complete these quests to start having a baby in the game. . Sims Mobile baby guide, how to have a baby, toddler, child, how to age up your baby.. Once you reach level 11 in The Sims Mobile you will unlock the Baby Quest, this video will guide you through all the goals step by step! Baby Quest Post .