Week 12

• The end of this week of pregnancy marks the end of the first trimester.
• Your baby is now almost 2.5 inches long (6.1cm) when measured from crown to rump, and weighs between 0.3 and 0.5 ounces (9 to 13g).
• Your baby's fingers and toes have separated and are getting longer.
• Your baby can open and close its mouth and drinks amniotic fluid which it passes out as urine.
• Its head is becoming more rounded, though it is still large in proportion to its body.
• It has eyelids.
• You can now hear your baby's heartbeat with a Doppler Ultrasound device!
• Your baby continues to grow rapidly and has doubled in size in the last three weeks alone.
• The face is beginning to look more human, and all body structures are present with a few refinements still in progress.
• Fingernails and toenails begin to develop this week.
• Your baby's muscles are sufficiently developed to allow for involuntary movements at this time.
• The messages which control your baby's movements are sent from the spine, rather than the brain, which is not yet sufficiently developed.