This animation will show how your baby develops during pregnancy. the navigation arrows below the animation screen to play, pause, rewind or fastforward the animation. This animation contains sound. Pregnancy usually lasts about nine months, or 40 weeks, and is divided into trimesters. The first trimester is from week one until week 12.
The second trimester is between weeks 13 and 26, and the third trimester is from week 27 until birth If you become pregnant, your womb doesn’t shed its lining as it normally does at the end of the menstrual cycle, so your periods temporarily stop.
This is because the egg, which has been released from one of the ovaries, has been fertilised by a sperm and you are in the early weeks of pregnancy. Here we show the ovaries, the fallopian tubes, the womb and the vagina.
The fertilised egg has already started to divide in the fallopian tube. It will continue to develop and grow in the womb and is called an embryo at this stage. Here we show the embryo in the womb. By week nine the embryo has developed and is called a fetus.
At this point most of the organs, including the nervous system and heart are forming. Here we show the fetus in the womb. By the time you are 12 weeks pregnant, your baby is approximately 6cm (two and a half inches) long.
At this stage, your baby’s neck is uncurling and the limbs are complete. The eyelids are still fused and the ears are forming. Here we show the baby,.
The umbilical cord, the placenta and the amniotic fluid. The umbilical cord connects the baby to the placenta. This is how your baby gets nutrients and how waste (such as urine) is removed. In the second trimester, your baby’s sex organs develop.
And other organs mature. The baby swallows amniotic fluid and passes it out through its digestive system. The kidneys start to work and pass small amounts of urine. Your baby can now hear,.
BELLY PROGRESSION WATCH MY PREGNANT BELLY GROW FROM 436 WEEKS