A twin birth can kill both the mother and crias.

Many factors, dietary and other, affect the rate of twin births.

The rate of twin births has also increased significantly since 1975, when assisted reproductive technology came into wide use.

In fact, twin births now account for more than 3 percent of all births.

Twin births were not common among the drow, but they did occur from time to time.

Then Jess told me that he was a twin, and twin births were common in his family.

When Martin first started studying twin birth rates years ago, she says, the impact on the mom's and babies' health tended to get overlooked.

The village entered the international spotlight when a survey done by locals found an unusually large number of twin births in the region.

Nor why there were always twin births.

Incidence of twin births is very high.

Twin births may result in a caesarean when:

The red panda has a naturally low birth rate (usually single or twin births per year), and a high death rate in the wild.

Births are usually single, although, as with humans, twin births do also occur from time to time.

Currently there are no accounts of twin births, although an instance of twins in utero has been reported.

Twin births are way up, thanks to older mothers, more widespread prenatal care and more effective infertility treatments.

It's our sidewalks, not the thoroughfares, that are gridlocked by an explosion of single and twin births in this neighborhood.

However, in recent years, the rates of twin births have stabilized, likely due to increased knowledge and more precise application of reproductive technology.

Birth Pregnancy Twin births Premature labour Are you a parent?

But the number of supertwin births has increased at a faster rate than twin births, almost tripling in those 13 years.

Although septuplets and octuplets have attracted national attention lately, statistics show that twin births are up 47 percent nationwide from 1980 to 1996.

Romanov ewes tend to lamb in litters, unlike other sheep who give single or twin births.

The birth of the gods coincides with the twin birth of sacred myth and hierarchical power.

For example: Dizygotic (DZ) twin births are affected by many factors.

The tendency for non-identical twin births is partly hereditary, and the necessary genes are prevalent in the archipelago.

The National Center for Health Statistics reports a 59 percent rise in twin births since 1980, largely because of fertility drugs.