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Q: Which period of prenatal development is the longest in duration?
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What last 7 months of prenatal development?

The fetal period.


What is the first period of prenatal development?

The first period of prenatal development is the germinal stage, which lasts for the first two weeks after conception. During this stage, the fertilized egg, or zygote, undergoes rapid cell division and eventually forms a blastocyst. The blastocyst implants itself into the uterine wall, marking the end of the germinal stage.


What period of prenatal development lasts the shortest?

The germinal period is the shortest period of prenatal development, lasting approximately two weeks. This period begins at fertilization when the egg is fertilized by sperm and ends when the fertilized egg attaches to the uterine wall.


The period of prenatal development from 2 to 8 weeks is called the stage?

embryonic


What is the period of prenatal development that occurs2 to 8 weeks after conception?

The embryonic period occurs from the beginning of fertilization to about the 8th week after conception


What prenatal stage of development in humans is the most rapid?

The embryonic stage, which lasts from fertilization until around 8 weeks, is the most rapid period of prenatal development in humans. This is when the major organs and systems of the body begin to form.


What is a prenatal period?

The prenatal period is anytime from the time of conception until the baby is born.


The heart begins to beat during the period of prenatal development?

18-22 days 18-22 days


What land animal cares for its offspring the longest amount of years?

Orangutans have the longest infant development period - a minimum of 10 years.


Does taking prenatal pills affect your period?

No, taking prenatal vitamins won't impact on your period. Prenatal pills are typically vitamins, which could see you have a better period all together, but won't be a major change.


What changes occur from the pre adolescene period to adolescene period?

prenatal


Which one of the following times would be the longest Jurassic period or Permian period?

Among the two Jurassic period was the longest one.The existence of the period was for about 50 million years whereas permian existed for 35 million years. The duration of Mesozoic era /secondary was 120 million years .