How long does prenatal development last?

Prenatal development starts at conception and ends with the birth of your baby. It takes about 40 weeks or nine months to create a new life, and your pregnancy is broken into three, 12-week trimesters.

How long does prenatal development last for quizlet?

Terms in this set (47) How long does prenatal development last for? 38 weeks from conception to birth.

What is the prenatal period of development quizlet?

period of prenatal development, from about the eighth week after conception to birth, marked by rapid growth and preparation of body systems for functioning in the postnatal environment. label typically applied to the developing human organism from about eight weeks after conception until birth.

What is hc21 fetal alcohol syndrome quizlet?

What is fetal alcohol syndrome? Serious birth defects caused by drinking alcohole during pregnancy.

Which time period is the most dangerous in prenatal life?

The first trimester of pregnancy is defined as up to the 14^th week of pregnancy (13 weeks and 6 days) counting since the first day of your last menstrual period. Harmful exposures during the first trimester have the greatest risk of causing major birth defects.

What are the three prenatal stages of development?

The process of prenatal development occurs in three main stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.

What is the most critical period of prenatal development quizlet?

Prenatal development provides this? The prenatal time period is? From conception until birth, is the most rapid period of structural and functional change in the human life span. The developing human, from 2-8 weeks.

Which expectant mother has the greatest risk of a baby born with fetal alcohol syndrome?

Turning to the estimated average BAC levels for the three groups, however, the expected spectrum emerges as the BAC of the mothers of FAS children is highest, the pFAS mothers next highest, and the mothers of the control children the lowest. A major reason for this pattern likely is found in the maternal BMI.

How long does the germinal stage last?

The germinal period ( about 14 days in length ) lasts from conception to implantation of the zygote (fertilized egg) in the lining of the uterus.

Which period of prenatal development is the most critical?

The embryonic period is the most critical period of development because of the formation of internal and external structures.

Which prenatal stage of development lasts the longest?

The longest period of prenatal development is the fetal period which begins at the 9th week after conception and lasts until birth.

Which prenatal stage of development lasts the longest quizlet?

One question on the midterm exam asked which period of prenatal development is the third and longest period, extending from the ninth week until birth. The correct answer would be: the fetal period.

What score represents the healthiest newborns?

The Apgar score is based on a total score of 1 to 10. The higher the score, the better the baby is doing after birth. A score of 7, 8, or 9 is normal and is a sign that the newborn is in good health.

What are the physical and mental impacts on a child with fetal alcohol syndrome?

Brain and central nervous system problems Intellectual disability, learning disorders and delayed development. Poor memory. Trouble with attention and with processing information. Difficulty with reasoning and problem-solving.

Which of these are possible symptoms of fetal alcohol?

Signs and Symptoms

• Low body weight.
• Poor coordination.
• Hyperactive behavior.
• Difficulty with attention.
• Poor memory.
• Difficulty in school (especially with math)
• Learning disabilities.
• Speech and language delays.