#pregnancy # first Trimester #fetal Development

Moukrramali
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If you enjoy watching Nucleus animations, please help us make more by clicking the SUPER THANKS button below the video. Every little bit helps! Employees of Hospitals, Schools, Universities and Libraries may download FREE medical animations from Nucleus by signing up for a free trial: http://nmal.nucleusmedicalmedia.com/f... #Pregnancy #FirstTrimester #FetalDevelopment MEDICAL ANIMATION TRANSCRIPT: Pregnancy is the time period during which a baby develops inside your uterus. It usually lasts about 40 weeks, starting from the first day of your last menstrual period. These 40 weeks are grouped into three segments called trimesters. The first trimester lasts about 13 weeks. During the first two weeks, you weren't actually pregnant because of the way your due date is calculated. But, your body is preparing for pregnancy. During the second week, an egg is released from your ovary, in a process called ovulation. Around the end of the second week, the baby is conceived in a process called conception or fertilization. This happens when a sperm from the father merges with the egg from the mother, usually in the fallopian tubes. During conception, genetic material from the mother and father combine to form a unique genetic code, instantly determining , hair color, eye color, and hundreds of other characteristics. This new single cell, called a zygote or embryo, is the beginning of a new human being. During the third week, the zygote divides to form a hollow ball of cells called a blastocyst. The cells of the blastocyst begin to arrange themselves into two groups. The inner group will develop into your baby, and the outer group will form t

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