1. A developing foetus
Cut out the descriptions of each stage of pregnancy and stick them
in order in your book. Cut out the diagrams and stick them next to
the correct description.
3 weeks 12 weeks
The fertilised egg divides rapidly The foetus is about 50mm long. Its
to form a ball of cells. It is too head is big compared to the rest
small to be seen without a of the body. It can kick its legs
microscope. and most of its organs work.
6 weeks 24 weeks
The ball of cells now has a ‘head The mother now looks pregnant,
end’ and a ‘tail end’, there is a she can hear the baby moving.
bulge where the heart is forming. With special equipment its heart
can be heard beating.
8 weeks 30 weeks
The baby is now called a foetus. The baby’s head is positioned just
The arms and legs, with tiny above the cervix, it is almost
fingers and toes, have formed. ready to be born. When the
You can see the eyes. muscles of the uterus start to
contract the baby will be pushed
out head first.