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Fetal development timeline zygote

Common Questions and Answers about Fetal development timeline zygote

fetal-development

Avatar n tn So you are both saying that it couldnt be his? One of my professors said that a zygote can float around 2-3 weeks before implantation. I'd be really, really relieved and happy if I could rule out it being his and know it's mine and maybe just developed fast. Especially if I can do so without having to spend $1000+ on a ambiotic paternity test.
4986074 tn?1362647471 Hello, The process of development begins on the day a woman’s egg is fertilized by a sperm which has penetrated it. The fertilized egg or zygote immediately begins to divide into 2 cells, then 4, then 8, and so on. After a few days the cluster of between 13 and 32 cells leave the fallopian tube and migrate into the uterus. This group of cells is called a blastocyst and the size has increased to hundreds of cells.
Avatar m tn FETUS IS NOT A BABY (GOOGLE THE HUMAN DEVELOPMENT CHART), but a parasite because the classification of the biological relationship that is based on the behavior one organism (fetus) and how it relates to the woman's body. as a zygote, it invaded the woman's uterus using its TROPHOBLAST cells, hijacked her immune system by using NEUROKININ B and HCG--- so her body doesn't kill it, steals her nutrients to survive, and causes her harm or potential death. http://en.wikipedia.
Avatar n tn I guess maybe someone could give me a better understanding but as far as i know in a true blighted ovum the yolk doesnt even appear? so the fact that you first couldnt see a yolk and now you can i would still take as a positive at this point... Just curious are you 4 weeks 4 days based on your first day of your last period? im just wondering because usually the gestational sac can be seen at approx 5 weeks, the yolk sac appears at approx. 5.5-6 weeks, fetal pole is around the 5.5 -6.
Avatar f tn The fetal heart undergoes a considerable amount of growth very early in pregnancy. The most critical period of its development is between three and seven weeks after fertilization, when a simple heart tube assumes the shape of a four-chambered heart. In fact, the heart actually begins beating by the 22nd day of life.
Avatar f tn m 6 weeks pregnant at the moment and i thought everything was going find until i got a call from my hospital telling me they needed to schedule me for an earlier appointment because when reviewing my ultrasounds they saw a problem with the fetus development. does anyone have any idea what this can mean? I would really appreciate it if you can help.