Prenatal development & Infancy Flashcards
prenatal period is also called the…
gestation period
the germinal period is…
first 2 weeks after conception and the fertilised egg becomes implanted in the uterus.
The embryonic period is…
the beginning of the third week to about the eighth week of gestation
The embryonic period is important because..
of the development of the central nervous system and of the organs occurs at this stage
By the end of this stage, the features of the embryo become..
recognisably human, the rudiments of most organs have formed and the heart has begun to beat.
the foetal period is …
nine weeks to birth
during the foetal period …
muscular development is rapid.
By about 28 weeks, the foetus is capable of…
capable of sustaining life on its own
Research suggests that foetuses of many species can behave and even learn..
in utero (prenatally)
Teratogens are ..
environmental agents that harm the embryo or foetus
Teratogens include..
drugs, radiation, viruses that cause maternal illness such as rubella (German measles) and toxic chemicals
Cigarette smoking during pregnancy has been linked to a wide range of negative outcomes, these range from,
cognitive deficits in childhood to criminality in adulthood
One of the most widespread teratogens is..
Alcohol
foetal alcohol syndrome (FAS) is a serious condition that…
affects babies born to alcoholic mothers
FASD is…
foetal alcohol spectrum disorder
