Twins are two separate individuals in the same pregnancy

Twins and Multiples

While the majority of multiple pregnancies refer to twin/triplets, with the increase in the use of fertility drugs, the incidence of multiples has recently been growing in numbers. ... read more »

Multiple Births - Risks to the Mother

Multiple pregnancy and birth carry significant risks to the children and they also carry considerable risks for mothers. ... read more »

Multiple Births - Risks To The Child

The health risks for twins and triplets are greatly increased compared with those for singletons mostly because multiples tend to be born prematurely and underweight. ... read more »

When Twins Are Conceived Weeks Apart

It is possible to conceive twins who have the same gestational age, who can have different fathers. It is a process called superfecundation. ... read more »

Facts about Twins, Triplets, and More

Fun Facts about gemellology (the study of twins and multiples). ... read more »

Pregnancy Complications with Multiple Births

Pregnancy complications in twins are many-fold higher than with a singleton baby and include a higher rate of premature deliveries and fetal anomalies. ... read more »

Interesting Information About Twins and Pregnancy

People of African descent are genetically at highest risk for twins because of a higher incidence of multiple ovulations. ... read more »

Having Twins? Learn The Different Types

Confused about different types of twins? Do the words dizygotic and monozygotic have you cross-eyed? Monochorionic vs. dichorionic? Here is a clear explanation of all four types. ... read more »

Multiple Pregnancy - Twins, Triplets

Ovulation twice or three times can lead to twins or triplets, as well as can a fertilized egg that splits into two or three. ... read more »

Twins: Does the Due Date Change?

Q: I am carrying twins. Should I adjust my due date based on having twins? Without having to adjust LMP? Is the due date with twins 38 weeks instead of 40 weeks?  Would like to be able to use countdown feature based on 38 week due date and not have it change gestational age. ... read more »

Risks of Multiple Births

There are serious risks to the health and long-term wellbeing of the child, but the risks of multiple pregnancy and birth are not just confined to the child. Mothers themselves can be exposed to health problems as well as the increased risk of losing their babies. ... read more »

Twins With Two Fathers - Superfecundation and Superfetation

Twins with two fathers are possible with supoerfecundation and superfetation. Superfecundation and Superfetation and two rare events. ... read more »

Examples of a Twin Pregnancy Diet

A twin pregnancy diet requires very small, protein-rich meals eaten every two hours throughout the day. ... read more »

All About Twins

When a woman becomes pregnant, the process of conception does not always stop at one baby. A pregnancy of more than one fetus concurrently is called a multiple pregnancy. ... read more »

Twin To Twin Transfusion Syndrome - TTTS

Twin-to-Twin Transfusion syndrome (TTTS),  is also known as Feto-Fetal Transfusion Syndrome (FFTS) and Twin Oligohydramnios-Polyhydramnios Sequence (TOPS). TTTS is a complication associated with monochorionic twins, twins that share a placenta and blood vessels.  In TTTS one twin gives blood to the other twin, and both can have major complications. ... read more »

Twins: What Are the Odds Having Twins?

My husband and I are both twins. I am an identical twin, and he is a fraternal twin. What are our chances of having twins of our own? ... read more »

Repronex and Multiples - What are the Chances?

What are the chances of getting pregnant with multiples when getting Repronex to induce ovulation? ... read more »

Dichorionic, Monozygotic, Dizygotic, Monochorionic, Monoamniotic, Mono-Mono Twins

Twins account for about 1% of all spontaneous pregnancies, but up to 35% of IVF pregnancies are twins.  ... read more »

Conjoined Twins - What Are They?

Conjoined twins are identical (monozygous) twins that result from one egg being fertilized by one sperm and then splitting more than 13 days after fertilization. ... read more »