- 胎児【たいじ】 - fetus, foetus, embryo, unborn child 
- 胎動【たいどう】 - fetal movement, movements of the fetus, quickening, signs (of), indications, stirrings 
- 堕胎【だたい】 - abortion, feticide 
- 母胎【ぼたい】 - womb, uterus, parent body, base, basis 
- 胎盤【たいばん】 - placenta 
- 受胎【じゅたい】 - conception, fertilization, fertilisation 
- 胎内【たいない】 - interior of the womb (of a pregnant woman), interior of the uterus, interior of a Buddhistic statue 
- 胎教【たいきょう】 - prenatal care, antenatal training