Pregnancy
Pregnancy fetish (preggophilia, also maiesiophilia) is sexual attraction to pregnant bodies — arousal at a pregnant partner's fuller figure, curves, glow, and the potency of a body creating life. For some it's a specific fixation; for many it's simply finding a pregnant partner especially sexy. It can focus on the belly, the enlarged breasts, the hormonal changes, or the symbolism of fertility and impregnation. It overlaps with impregnation and breeding fantasies, lactation, and body appreciation. Real pregnant partners and pregnancy-themed porn or roleplay both feature.
The appeal blends the aesthetic (fuller curves, glow, a sensitive body) with the powerful symbolism of fertility, creation, and virility — a body visibly 'doing' something primal. For impregnation-adjacent fans, the pregnancy is the fantasy's fulfillment.
It plays out as desiring and celebrating a pregnant partner — worshipping the belly and body, pregnancy-themed dirty talk or roleplay, or enjoying pregnancy porn. Some pair it with impregnation and breeding fantasies leading up to it.
Sex during pregnancy is generally safe in a healthy pregnancy, but follow the pregnant person's comfort and any medical guidance — some positions get uncomfortable, and certain conditions call for caution. Never blow air into the vagina during pregnancy (rare embolism risk), and keep it centered on the pregnant partner's changing needs.