Ciki, wanda kuma aka sani da gestation, shi ne lokacin da daya ko fiye da zuriya ke tasowa a cikin mace. YawanYawancin ciki ya ƙunshi zuriya fiye da ɗaya, kamar tare da tagwaye. Yawanci yana faruwa ta hanyar jima'i, amma yana iya faruwa ta hanyar fasahar haihuwa. Ciki zai iya ƙare a cikin raye-raye, zubar da ciki, ko haihuwa. Haihuwa yawanci tana faruwa kusan makonni 40 daga farkon hailar ƙarshe (LMP). Wannan ya wuce watanni tara - (shekarun haihuwa) inda kowane wata ke cika kwanaki 31. Lokacin amfani da shekarun haihuwa yana kusan makonni 38. Amfrayo ita ce zuriya masu tasowa a cikin makonni takwas na farko bayan haihuwa, (shekarun haihuwa na makonni goma) bayan haka, ana amfani da kalmar tayin har zuwa haihuwa. Alamomin ciki na farko na iya haɗawa da rashin haila, ƙirji mai laushi, tashin zuciya da amai, yunwa, da yawan fitsari. Ana iya tabbatar da ciki tare da gwajin ciki. An raba ciki zuwa uku trimesters, kowanne yana ɗaukar kusan watanni 3. Na farko trimester ya hada da daukar ciki, wanda shi ne lokacin da maniyyi taki kwai.