Pregnancy Week 5 | Baby Development |
Pregnancy is usually calculated from the first day of your last menstrual
period. Your baby was not conceived then but ovulation is assumed to have
occurred about thirteen or fourteen days later. before 5th week of pregnancy you have one tiny fertilised egg.
Pregnancy week 5:
Baby’s Development - The embryonic cell layers have been formed - the ectoderm, endoderm, and mesoderm. These layers will generate every organ and tissue in your baby's body. The inner layer grows into the organs of breathing and digestion. The middle layer grows into cartilage, bones, connective tissues, muscles, the circulatory system, kidneys, and sex organs.The outer layer grows into the baby's skin and nerves. By week 5 the first body segments will appear, these will eventually form the spine, brain and spinal cord. Limb buds develop and the embryo is about 0.5 cm long.
Maternal Changes - Your breasts may start to feel tender. The placenta grows to cover one-fifteenth of the uterine interior. This can be a time of great fatigue, often quite extreme in the first six weeks of the pregnancy, thought to 7 be caused by a change in the ovarian hormones. Maybe it is nature’s way of making you slow down!
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