Source: bing.comTable of Contents
Week 1-4: The Beginning of Life
Congratulations, you’re having a baby! During the first week of pregnancy, the fertilized egg travels down the fallopian tube and implants itself on the uterine wall. The next three weeks are crucial for the development of the baby’s major organs, including the heart, brain, and lungs.
Week 5-8: The Embryo Stage
During the embryo stage, the baby’s major organs continue to develop and take shape. The heart begins to beat, and the arms and legs start to form. By the end of week 8, the baby is about the size of a raspberry and has all of its major organs in place.
Week 9-12: The Fetal Stage
During the fetal stage, the baby’s limbs continue to grow, and it starts to develop reflexes. The baby’s sex organs begin to develop, and the baby can even suck its thumb! By the end of week 12, the baby is about the size of a lime.
Week 13-16: Growing and Moving
During this stage, the baby starts to move around more and can even make facial expressions. The baby’s eyesight and hearing start to develop, and it may even start to hiccup. By the end of week 16, the baby is about the size of an avocado.
Week 17-20: Feeling the Baby Move
During this stage, the baby’s movements become more pronounced, and the mother may start to feel fluttering sensations in her abdomen. The baby’s skin becomes less transparent, and the hair on its head starts to grow. By the end of week 20, the baby is about the size of a banana.
Week 21-24: Developing Senses
During this stage, the baby’s senses develop more fully. It can hear sounds from the outside world and even start to recognize its mother’s voice. Its lungs start to produce surfactant, which is necessary for breathing. By the end of week 24, the baby is about the size of an ear of corn.
Week 25-28: Preparing for Birth
During this stage, the baby’s brain continues to develop, and it starts to develop more fat, which will help regulate its body temperature after birth. The baby’s eyes can open and close, and it can even have dreams! By the end of week 28, the baby is about the size of an eggplant.
Week 29-32: Gaining Weight
During this stage, the baby starts to gain more weight and may even start to grow hair on its head. The baby’s bones are fully formed, but they are still soft and pliable. By the end of week 32, the baby is about the size of a squash.
Week 33-36: Almost There
During this stage, the baby’s lungs continue to mature, and it starts to practice breathing movements. The baby’s skin becomes less wrinkled, and it may even have a full head of hair. By the end of week 36, the baby is about the size of a honeydew melon.
Week 37-40: Ready to Meet the World
During this stage, the baby’s organs are fully developed, and it continues to gain weight. The baby may drop lower in the mother’s pelvis in preparation for birth. By the end of week 40, the baby is fully developed and ready to meet the world.
Frequently Asked Questions About Baby Development Week By Week In The Womb
Q. When does the baby’s heart start to beat?
A. The baby’s heart starts to beat at around week 5 of pregnancy.
Q. When can you feel the baby move?
A. Mothers usually start to feel the baby move between weeks 16-25 of pregnancy.
Q. When can the baby hear sounds from the outside world?
A. The baby can hear sounds from the outside world at around week 21 of pregnancy.
Q. When is the baby fully developed?
A. The baby is fully developed by week 40 of pregnancy.
Q. What is the size of the baby at the end of week 8?
A. The baby is about the size of a raspberry at the end of week 8.