Birth and Children (1)

Conception takes place when ........., from a male, fertilizes a female's egg.
sperm
shells
wires
nets

Parents, who've never had children before, are often extremely excited and nervous before having their .........-born child.
prime
first
middle
infant

A child who is born last in a family is called the ......... child.
eldest
youngest
middle
first-born

......... twins are two babies who are born at the same time (or very close to the same time) and have the same DNA.
Fraternal
Brother
Identical
Middle

On the other hand, ......... twins are two babies who share their mother's womb and are born at the same time (or close to the same time), but do not have the exact same DNA.
fraternal
sister
identical
younger

A ......... child is born after the first child but before the youngest child.
average
median
mean
middle

An ......... child doesn't have any brothers or sisters.
lonely
solely
ideal
only

......... are three babies that share their mother's womb and are born at the same time (or close to the same time).
Quadruplets
Quintuplets
Triplets
Doublets

First-......... parents are often inexperienced, but are usually eager to learn about parenting.
benefit
change
time
scene

In North America, the youngest child is often called the ......... of the family.
mouse
tater
baby
only