The Correct Answer is ADEFINITIONS OF DEVELOPMENTAL PERIODS 1.
Embryonic period - 0-8th week (technically weeks 3-8); mass increases about a million-fold; involves fertilization, cleavage, gastrulation, organogenesis.
2.
Fetal period - 9th week to birth; period of significant growth; mass increases about 1000-fold.
3.
Post-natal period - birth to death; mass increases about 20-fold. Significant development occurs after birth (eg. the brain triples in weight during the first 16 years of life).
4.
Neonatal period – the first month after birth.
5.
Perinatal period – roughly 26weeks gestation to the end of the first month after birth.
6.
Infancy – roughly the first year after birth.
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MAHE 2000 MCQs
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