If you are conceiving your new baby or you are newly pregnant woman, it is obvious that you ask many questions about your expectations Many pregnant women want to know the way, in which their physical structure or body changes during the progressing months of their pregnancy period. Therefore, with the help of guide to know pregnancy symptoms week by week, you will get answers to your questions by studying about physical changes in your body with weeks.
Formation of Follicles
At the initial stage of your last menstruation cycle, about 20 eggs referred as ova will occupy the sacs filled with the fluid called follicles. If you have menstruation after the duration of every 28 days, you will ovulate after 14 days. One follicle will release an egg, which would travel down inside the fallopian tube to wait for the process of fertilization. Once the egg becomes fertilized properly, it will move into your uterus.
Formation of Placenta and Embryo
If the sperm of a male and fertilized egg present in the uterus of women joined in successful manner, it will indicate the presence of embryo. However, it remains in very small size and does not appear as baby or fetus. Instead, it remains as a group of hundred micro cells, which multiply and grow in rapid manner. On the other side, guide of pregnancy symptoms week by week revealed that cells have their outer layer named as placenta.
Links to Blood Supply Formation
During the four to five weeks of pregnancy period, pregnancy symptoms week by week guidelines shown that embryo will grow and develop inside the womb lines. In addition, outer portion of cells will reach out for the formation of links with blood supply of mother or pregnant woman.
Inner cells will divide it into three different layers, which will further grow to become different organs or parts of the baby’s physical structure. Inner layer or endoderm will become the digestive systems and breathing systems, like bladder, gut, stomach and lungs. Middle layer referred as mesoderm will be the blood vessels, heat, bones and muscles. Lastly, outer portion as ectoderm will form the nervous system and brain, tooth enamel, eye lenses, nails and skin.