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the embryo is moved into the uterus.A sac called the placenta forms around the embryo,connecting it to the uterus by the umbilical cord.the umbilical cord supplies the embryo with nutrients and oxygen from the mother's body.Then the embryo develops into a fetus and limbs, body systems, bones, sense organs, and the brain.

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14y ago
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11y ago

The embryo moves into the uterus and the umbilical cord carries certain nutrients to the embryo from the placenta. The body systems, limbs, bones, and brain start to form.

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13y ago

first tree month of embrion life

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12y ago

The first three months of pregnancy

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Q: What happens during your first trimester?
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Related questions

What happens during first trimester?

The major organs systems have started developing.


What happens during the first trimester?

The major organs systems have started developing.


What is early pregnancy loss?

The traditional designations are: During the first trimester - abortion (spontaneous abortion, if you want to avoid ambiguity) During the second trimester - miscarriage During the third trimester - stillbirth


Do you usually gain weight during the first trimester?

Some people gain no weight during the first trimester, particularly if they have morning sickness. Other people gain a small amount, particularly towards the end of the first trimester. The most weight is gained during the second trimester though.


Which trimester is most critical for the development of a baby?

The first trimester is most critical for the development of a baby. The babies brain is formed during the first trimester.


What is developing during the first trimester?

a baby


What hormones could be implicated in failing to maintain the pregnancy during the first trimester?

What hormones could be implicated in failing to maintain the pregnancy during the first trimester?


What best describes what happens to a developing fetus during third trimester?

the organs grow larger


What happens during the third trimester of pregnancy?

The body organs are developed and refined.


What is the primary change that happens to a human during the third trimester of gestation?

The organs mature.


Why do you get so thirsty during the first trimester?

Hormones are changing


During the first trimester does the baby eat what you eat and take in?

no they do not