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To prevent menstruation and to sustain pregnancy the trophoblast cells of the implanted embryo must secrete for the first five or six weeks?
human chorionic gonadotropin (HCG)
Which of the five senses develops first?
The sense of touch at approximately 8 weeks gestation.
What is the gestation period for black snakes?
Gestation period for black rat snakes is around five weeks. Incubation takes about 65 to 70 days to hatch.
When do pregnant dogs start to show?
Usually around five weeks gestation they begin to show if they are pregnant.
What is the gestation period of Whale sharks?
The gestation period is five months.
After taking cytotec at five weeks what do the embryo look like?
This early you will not have much chance to see it since it's mostly mucus and blood coming out. See related link for picture of embryo.
What are the five things that must happen before a human embryo can start to develop?
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You are 5 weeks pregnant and you are showing is that normal?
Nope! You could just be bloated, constipated or are just "wishing" or "waiting" for it, if you will. At five weeks there is just an embryo, only about 2 millimeters long! Here is what your baby looks like at five weeks... * http://3dpregnancy.parentsconnect.com/calendar/5-weeks-pregnant.html
How long is the gestation period for a whale shark?
The gestation period is five months.
How big should you be at 5 weeks pregnant?
You shouldn't be big at all. At five weeks pregnant you have just developed an embryo. An ultrasound typically will not even be able to detect a heartbeat yet.
How does the fetus look if you were 5weeks pregnant?
At five weeks the baby to be is still an embryo, it will not become a fetus until the end of the first trimester. At five weeks the embryo is still masses of cells that are forming body parts. There are groups that will become the heart and circulatory system, the heart is beating and blood cells are beginning to flow. The nervous system (brain and spinal cord) are forming and CSF will soon be flowing. There are buds forming that will become arms, legs, hands and feet. While the embryo bares little resemblance to the baby it will be, the growth over the last five weeks is amazing.
Can a DR be able to tell right away if conceived?
I am not sure how early you mean right away, but about five weeks is the earliest they can tell through an ultrasound. But at only five weeks a heartbeat will not be detected yet, just an embryo and the thickening of the uterine lining.
