KS3 - Pregnancy & Development (PPT + Worksheet)

Lesson 6 – Pregnancy & Development (PPT + Worksheet)

• How an embryo implants in the uterus with clear, calm explanations showing how the fertilised egg embeds into the uterine lining to begin development.
• The vital roles of the placenta, umbilical cord and amniotic fluid using simple diagrams to show how nutrients, oxygen and protection are provided throughout pregnancy.
• The key stages of development over nine months following the journey from embryo to foetus, highlighting major milestones in each trimester.
• How a mother’s lifestyle affects the growing baby exploring the impact of smoking, alcohol, drugs, nutrition and stress in an age‑appropriate, factual way.
• Built with clear visuals, scientific accuracy, and supportive language, this lesson helps pupils understand pregnancy in a safe, respectful and reassuring way.

Why teachers love this resource

• Ready‑to‑teach — fully sequenced and ideal for specialists and non‑specialists.
• Clear, calm explanations that build confidence and reduce misconceptions.
• High‑impact visuals that make complex biological processes easy to understand.
• Worksheet included — perfect for assessment, homework or retrieval practice.
• Curriculum‑aligned and written in accessible, age‑appropriate language.