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Q: In what trimester of pregnancy does the embryo develop brainwaves and a beating heart?
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In which trimester of pregnancy does the embryo develop brainwaves and a beating heart?

The heart begins to beat at the end of 3 weeks. Our 'reptilian brain' develops within the first two months, but our conscious thought does not develop until six months into the pregnancy.


What starts to develop in the baby the third trimester of pregnancy?

the vocal chords


What trimester of pregnancy does the sternum develop?

The sternum develops somewhere between week 6 and 8, so well within the first trimester.


Trimester during pregnancy when the major organs are developed?

All the organs of the baby develop in first trimester. Means in first three months ofpregnancy.


Which trimester does the fingers and toes develop?

the third trimester


Which trimester does the Facial features develop?

in the second


When can you determin a babys sex while pregnant?

The baby's gender can usually be determined by ultrasound in the mid to late second trimester of the pregnancy. The baby's gender usually begins to develop during the latter half of the first trimester (about 8 weeks).


Match each stage of pregnancy with its corresponding description A First trimester Marked by the growth and maturation of the fetus's organs and body systems B Second trimester All of the baby's?

1st trimester- all of the baby's body structures and systems develop 2nd trimester- marked by the grown and masturbation of the fetus's organs and body systems. 3rd trimester- the fetal systems continue to grow and mature also the time of the greatest weight gain


What period of pregnancy does the baby develop the most rapidly?

Pregnancy is broken down into three trimesters. The baby develops most rapidly during the first trimester (weeks 1-13). The baby starts off as a collection of cells that develop into an embryo. At 8 weeks, the embryo is called a fetus because the baby resembles a human. At this time, all major organs and systems have been formed. During the second trimester (weeks 14-26), the organs and systems start to mature. During the third trimester (week 27-40), the baby starts to pack on the pounds.


What is the pregnancy cycle?

The pregnancy cycle is pretty much done in three month increments, there is the first trimester 0-3 months second trimester 3-6 months and the third trimester is 6-9 months in the first trimester a lot goes on first the sperm fertilizes the egg then the egg divides into many cycles of cells once the egg implants around the 6th week of pregnancy everything starts to develop the placenta grows larger and your baby begins it's journey to being born in the second trimester the baby finishes its development and then starts to grow larger in your last trimester it is just all about weight gain the baby will gain about a pound a week until it is born, you can also go to pregnancy.org they even have color pictures to help you understand it all better.


When do your breasts become sore during pregnancy?

Yes. Sore breasts in early pregnancy are common. As they begin to develop the mechanism for producing milk, there are a lot of changes and things get a bit crowded.


When does Organogenesis develop in children?

Organogenesis occurs within the first trimester of fetal development.