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This section describes week by week what is happening to your body and the way that your baby grows and develops during your pregnancy. Pregnancy is divided into three trimesters: First trimester - conception to 12 weeks Second trimester - 13 to 28 weeks Third trimester - 29 weeks to birth.
21 lut 2023 · Use this timeline to learn what your baby's up to and how they're developing throughout pregnancy. Follow your baby's development week by week, from conception to labor, in these amazingly detailed, doctor-reviewed images. Your egg is fertilized 12 to 24 hours later if a sperm penetrates it.
Major fetal development is complete. The fetus begins rapidly gaining weight. 32 Weeks . The fetus’ bones are hardening though the skull remains soft. 34 Weeks. The kidneys are fully developed and the liver can process some waste products. 36 Weeks . The fetus gains about an ounce a day and fat develops under the skin. 38 Weeks .
A normal pregnancy lasts about 280 days (or 40 weeks), counting from the first day of your last menstrual period. A normal range, however, is from as few as 259 days to as many as 294 days (37-42 weeks). The 40 weeks of pregnancy are divided into three trimesters.
At the end of the tenth week of pregnancy (8 weeks after fertilization), the fetal stage begins. During this stage, the organs and systems that have already formed grow and develop as follows: By 12 weeks of pregnancy: The fetus fills the entire uterine cavity. As the pregnancy continues, the uterus enlarges as the fetus grows.
This lecture covers the period of Embryonic development, in Humans from week 3 to week 8 (GA week 5-10) and is divided into 23 Carnegie stages of embryonic development. There will also be a brief introduction to fetal development. Note, the period from week 9 to week 38 is considered Fetal development and will be covered in detail in the ...
This document provides a week-by-week guide to the growth and development of a fetus during pregnancy. It includes details on size, weight, and organ development to help expectant parents understand the stages of fetal development.
