Define prenatal period. Discuss the characteristics of different periods in prenatal 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.

The characeristics of Physical Development are given in the following way :

1. Mental Development

Mental similarities between identical twins are much greater than between nonidentical twins and this persists into old age. Identical twins also show strong similarities in terms of special abilities, such as musical and artistic aptitudes.

2. Social Development

Twins tend to compete for adult attention, to imitate each other's speech and behavior, and to depend on each other for companionship during the preschool years. As they grow older, sibling rivalry and competition develop. One twin usually takes on the role of leader, forcing the other into the role of follower. This affects their relationships with other family members and with outsiders.

3. Personality Development

Many twins have difficulty in developing a sense of personal identity. This is especially true of identical twins and of nonidentical twins of the same sex. Others enjoy the close relationship of twinship and the attention they receive as a result by their similarity in appearance. This leads to self-satisfaction and self-confidence.

4. Behavior Problems

Behavior problems have been reported to be more common among twins than among singletons of the same ages. It is thought that this is a result of the way twins are treated, both at home and outside the home. Behavior problems have also been reported to be more common among nonidentical than among identical twins. It has been suggested that this is because rivalry __________ ______ ____ ____ ______ _________.
________ __________ ____ ___ __________ ________ ________.
______ _________ __________ ______ ______.
___ _________ _______ ______ _________ ___.
_____ ________ _________ ________ ____ ___ _______ ________ _________ ________ _________ _______.
________ ________ __________ _________ ______ _________ _________ ___.
____ ________ __________ _______ _____ _______ __________ _____ _______ ________ _______.
________ _______ ________ _________ _____ ________ ___ ____.
______ __________ _________ ____ _________ ______ ________ _________ ____ ___ _____ ________.
______ ______ ______ _________ ___ ________ ______ ___ _____ ______ ______.
_________ _____ __________ __________ ________ _____ ________ ________.
_____ ______ __________ __________ _______ __________ __________ _________ ____ ___ ______ ___.
_____ _____ _________ ______ __________ _______ ______ _____ ________ ___ _______ ___.
___ ________ _________ _________ ____.
_______ ___ _________ _______ ____ _________.
____ _____ ________ ____ ___ _____ ____ ___ ____.
_____ ___ _______ _____ ____ ___ _______ _______.
______ ______ _________ _______ ______ _________ ___ ____ __________ ____ _________ ________.
_______ ____ ________ ________ _________ _______ ___ ______ ______.
_________ _______ ___ ___ _______.
_______ _______ __________ _____ _________ _________ ____.
_______ ___ _____ ________ _______ ____ _____ ______.
_________ _____ _____ _________ _______ ___ ______ __________ _____ __________ ___.
____ ______ ______ _________ __________ _________ ______ _______.
_________ ____ __________ ___ ___.
______ _______ ____ _____ ____.
________ _____ ______ _________ _____ ____.
___ _______ _________ ___ ________ ____ _____ __________ __________ __________ ________.
_______ _________ ___ __________ _____.
________ _________ _________ ________ ____ __________ ________ ______.
______ _________ ___ ___ __________ ___ ________ ________ ______ ______ ___.
_________ ____ ______ _______ __________ _____ _______.
_____ ____ _________ ________ ________ ____ ________ ______ _____ ___.
_______ ____ ___ ______ __________ ____ _____ ____ _____.
________ ____ ____ _______ ________ _____ ___ ____ _______.
__________ _______ _______ __________ __________ __________.
_________ _____ _________ __________ __________ __________ _________ _______ ________ ____ ________.
___ ________ ___ ________ ________.
________ _________ ___ _______ _____ __________ _____.
___ _______ _________ _______ ___ ______ _________ _______ _______.
_______ ___ ____ ________ __________ __________ _______.
________ __________ _________ ___ ________ __________ _____ ______ ____.
____ _______ _______ ___ __________ __________ _____ ___ ______ _______ _____.
__________ _______ ___ _________ ________.
______ _______ __________ ______ ________ ____ _____ __________ ________ __________ _______ _______.
________ ____ ______ ___ _______ ________ ____ _________ _________ ________ ____ ____.
_________ ________ ______ __________ _____ ____.
___ ___ _________ ________ _______.
__________ ___ _____ _________ _________.
__________ __________ ___ ___ _________ _________.
________ ____ _____ ___ _____ ________.
____ ______ ___ ___ ______ _________ _____ _______ _________.
__________ _________ ____ ____ ___ ____ __________ __________ ____.
____ _____ _______ _____ _______ _________ _________ _______ __________.
_________ _______ _______ ______ _______ ____ __________ _______ ______ __________ _____.
___ ______ ____ __________ ______ ________ ___ ________.
_______ ______ _________ _________ __________ ______ ______ _______.
____ ____ _______ ___ _________ _________ _________.
_________ ________ _____ ______ _______ ________ ________.
________ _______ ____ ______ ________ _____.
_______ __________ _____ _______ ______ __________.
________ ______ _____ ____ ____.
_______ ____ ______ ______ _______.
__________ _______ ____ ________ ________ ____ _____ _________ _________.
________ __________ _______ _____ _________ __________.
____ _________ ___ ___ ___.
___ ______ ______ ______ ____ ____.
___ _____ _______ ___ _____ _________ __________ _______ __________ _______ _________ __________.
________ ________ ____ __________ ____ __________ _____ _________ ________ __________ ___ ___.
________ ______ _________ ___ ________ ________ __________.
___ _________ _______ ________ _____ _____ ______ _________ ________ ____ ___ __________.
___ ____ ______ ______ _______ __________ _______ ____ _______ ______ ________.
___ ________ ______ ________ _________ ___.
__________ ___ ____ _____ ___ _______ ______ ___ __________ ____.
________ ___ _______ _____ _____ ____ ____ ______.
________ ___ ___ _____ ______ ______.
_______ _________ ________ _______ ___ _______ ____ ____ ____ ____ _______ ______.
_____ ________ __________ ______ _______.
________ ___ _________ _________ _____ _____ ______ _____ _________.
____ ____ ____ ________ ________ ___ __________.
________ ________ _________ ____ ________ __________ _______.
________ _______ _______ _______ ______.
______ ___ ________ __________ ______ ____ ________ ____.
________ _______ ___ _________ ________ _______ _____ ______ ___ ____ ______ ________.
_____ ______ ___ _________ ________ _____ _________ ______ ____ _____ ___.
__________ ______ _________ ________ _____ _____.
_______ _________ ___ ____ __________ _____ ____ ____.
_________ ______ ________ _________ ___ ________ __________ __________ ____ _________ _____ ________.
___ ____ ____ __________ _____.
_______ ____ ________ _______ _______.
______ _____ __________ _____ _________ _______ ____.
______ ____ _____ ____ _______ _________ __________ _______ _______.
_______ ______ ___ _________ __________ __________ _______ ______ ___ ________.
___ ____ _____ ______ ______ __________ ____ _____ _______ ____ ___.
_______ ___ __________ ___ ____ _________ _________ _____ ____ ______ ______ _____.
_____ _____ ____ ___ ______.
________ ______ ____ ___ _______ ___ ______ ______ _______.
_________ ___ __________ ______ ____ _____ _______ ________ _______ _____ ______ ______.
___ __________ _______ ____ ______ _________ ___ _______ ___ _________.
____ ________ __________ ____ ________ ________.
_____ __________ ________ ________ _______ ___ ______ __________ ____ _______ _________.
___ ______ ______ _____ _______ _____ _____ ___ ___ _________.
_________ _______ __________ __________ ____ _____ _______.
___ __________ __________ ______ __________.
___ ____ ________ ___ _____ ____ ___ _______ _________.
Get Full Answer on WhatsApp