About 211,000 results
Open links in new tab
  1. Fetus - Wikipedia

    In human prenatal development, fetal development begins from the ninth week after fertilization (which is the eleventh week of gestational age) and continues until the birth of a newborn.

  2. Fetus | Growth, Development, Nutrition | Britannica

    Dec 19, 2025 · fetus, the unborn young of any vertebrate animal, particularly of a mammal, after it has attained the basic form and structure typical of its kind. A brief treatment of the fetus …

  3. FOETUS | definition in the Cambridge English Dictionary

    FOETUS meaning: 1. a young human being or animal before birth, after the organs have started to develop: 2. a UK…. Learn more.

  4. FOETUS definition and meaning | Collins English Dictionary

    A foetus is an animal or human being in its later stages of development before it is born. Pregnant women who are heavy drinkers risk damaging the unborn foetus. Collins COBUILD Advanced …

  5. foetus noun - Definition, pictures, pronunciation and usage notes ...

    Definition of foetus noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  6. FETUS Definition & Meaning - Merriam-Webster

    The meaning of FETUS is an unborn or unhatched vertebrate especially after attaining the basic structural plan of its kind; specifically : a developing human from usually two months after …

  7. Embryo vs. Fetus: How to Tell Them Apart - Verywell Health

    Oct 14, 2025 · Both embryo and fetus are terms used to describe the stages of a baby’s development during pregnancy. Gestational age or the length of time a person is pregnant is …

  8. Fetus Definition and Examples - Biology Online Dictionary

    Oct 3, 2023 · During pregnancy, the fertilized egg grows and develops into a fetus, a process that typically takes around nine months in humans. Medically, the exact growing stage at which we …

  9. Fetus - New World Encyclopedia

    A fetus (or foetus, fœtus) is a developing mammal or other viviparous vertebrate, after the embryonic stage and before birth. In humans, the fetal stage of prenatal development begins …

  10. Fetus - Simple English Wikipedia, the free encyclopedia

    A fetus or foetus is the stage that an organism goes through before it is born as a baby. In humans a fetus is the stage (time of development) after the embryonic stage, and begins …