Just before birth which epiphysis appears :

Ossification centre Gestational age Calcaneum 5th month of intra- uterine age Talur 7th month of intra- uterine age Lower end of femur 9th month of intra- uterine age (36weeks) Upper end of tibia 9th month of intra- uterine age (38weeks) Cuboid Just at the time birth (40weeks) Ref - Naryana Reddy/pg-82