Describe stages of development from fertilisation to end of gestation

Qualification: Level 3 Diploma for the Early Years Educator
Unit: Unit 1.6: Understand the needs of the mother and baby during pre-conception, pregnancy and the first year of life
Learning outcome: 1. Understand development from conception to end of gestation
Assessment criteria: 1.1 Describe stages of development from fertilisation to end of gestation

  • Germinal Stage
    • begins at conception when sperm and egg unite and form a zygote
    • cells multiply and develop into embryo and placenta
    • ends two weeks after conception
  • Embryonic Stage
    • lasts 3-8 weeks following conception
    • brain and nervous system begin to develop
    • head, eyes, nose, ears and mouth begin to form
    • by the 8th week all organs have formed (except sexual organs)
  • Fetal Stage
    • lasts between 9th week after conception and birth
    • in latter stages of first trimester (8-12 weeks) reflexes and sexual organs develop
    • during 2nd trimester (13-26 weeks) embryo grows, body systems develop further and nails and eyelashes form
    • during 3rd trimester (26 weeks to birth) brain activity increases and body (particularly the lungs) prepares for life outside the womb

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    Study Bullets ⇒ Level 3 Diploma for the Early Years Educator ⇒ Unit 1.6: Understand the needs of the mother and baby during pre-conception, pregnancy and the first year of life ⇒ Describe stages of development from fertilisation to end of gestation