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When a girl unearths she and her partner frequently wish to learn what will be 

occuring to her. They want to know the way in which the fetus will 

develop in the next several months. Pictures of stages of pregnancy can help them 

better understand the process.

A pregnancy lasts roughly 40 weeks. This period is divided into 

trimesters of roughly thirteen weeks each. Pictures of stages of pregnancy 

can be classified by the week of the pregnancy or by the trimester. Frequently, pictures of stages of pregnancy will first be found by indicating the trimester of the 

pregnancy. Once that has been identified, one can then search for footage of a 

specific week.

During the first trimester, the fertilized egg develops into a fetus with recognizable human 

characteristics. In the first two or three weeks, the fertilized egg is 

called a zygote and it floats through the fallopian tubes until it 

attaches itself to the uterus. By the 3rd week, the zygote has gotten big enough to 

be considered an embryo. Though larger, the embryo is still too little to be 

obvious, except with high-level technology, so few photos of this stage 

will be available.

During the weeks of the first trimester, the embryo grows and develops the nubs that may 

become the head, the arms and the legs and it is referred to as a fetus. By the 

end of the first trimester, the fetus will have grown to about to of an inch. Since 

the fetus is so little, there’ll be few recognizable details in any 

pictures.

Most of the common footage of stages of pregnancy are done by ultrasound. Ultrasound is 

analogous to sonar. A tool very similar to a stethoscope is 

placed on the girl’s belly and sounds that can’t be heard by humans are sent into 

the belly. These sounds produce signals which bounce back to a screen. The screen displays a picture that 

is very like to a black and white picture. With ultrasound, it 

is feasible to actually see the fetus as it develops.

If you find the information above educational and useful, read more about pregnancy and birth at pregnancy101.org and have a look at pregnancy symptoms 16 weeks.