Nyinsɛn, a wɔsan frɛ nogravidityanaagestation, yɛ bere ammabiako anaa nea ɛboro saa nyin wɔɔbeamu. Nea ɛwɔnyinsɛn dodowmu ne mma a wɔboro biako, te sɛntaafode no. Nyinsɛn betumi afiɔbarima ne ɔbea nnamu anaanyinsɛn a wɔnam mfiridwuma so yɛ mu. Mpɛn pii no egye bɛyɛ nnawɔtwe aduanan bosomedu fi da a etwa to wɔ brayɛ mu(LMP) na ɛkowieawomu. Eyi yɛ bɛyɛ nnawɔtwe aduasa awotwe fi bere anyinsɛn fi aseno mu. An embryo is the developing offspring during the first 8 weeks following conception after which the term fetus is used until birth. Nyinsɛn bere a edi kan ho nsɛnkyerɛnne bi ne bra a ɛmma, nufu ayɛ mmerɛw,ɛfe ne nea ɛte saa, ɔkɔm, ne adwensɔ ntɛmntɛm. Wobetumi ahu sɛ obi anyinsɛn denamnyinsɛn nhwehwɛmua wɔbɛyɛ so.