8 Weeks

You are now eight weeks pregnant (or in your ninth week if that's how you prefer to count it).

Congratulations - your embryo is now called a fetus, which means "offspring". Your uterus expands to accommodate its new resident, which now measures approximately 0.6 inch / 1.6 centimetres. Many changes take place this week - the embryonic tail is gone, and all organs, muscles, and nerves are beginning to function. The hands now bend at the wrist, and the feet begin to lose their webbed appearance. Eyelids are beginning to cover the eyes.

The baby is now constantly moving and shifting, though you won't be able to feel anything for several weeks. The arms have grown and the hands are now flexed at the wrists and meet over the heart. The legs are lengthening and the feet may be long enough to meet in front of the body. It's still almost impossible to tell whether you're going to have a boy or a girl - although reading old wives' tales for predicting gender can be fun.

Your pregnancy is changing your figure as well. Your breasts may have grown large enough that you'll need bigger bras with better support than your old ones. You may notice your waistline expanding as well, forcing you to pack away your favourite jeans until next year. If you drink plenty of fluoridated water - eight glasses or more a day - you should be getting enough fluoride so calcium and phosphorus will bond well in your baby's developing teeth and bones.