Can you have twins without genetics?

Last Update: April 20, 2022

This is a question our experts keep getting from time to time. Now, we have got the complete detailed explanation and answer for everyone, who is interested!

Asked by: Dr. Arielle Stiedemann PhD
Score: 4.6/5 (39 votes)

Having identical twins is not genetic. On the other hand, fraternal twins can run in families. Genetics can definitely play a role in having fraternal twins. For example, a woman that has a sibling that is a fraternal twin is 2.5 times more likely to have twins than average!

Can you have twins if they don't run in the family?

Everyone has the same chance of having identical twins: about 1 in 250. Identical twins do not run in families. But there are some factors that make having non-identical twins more likely: non-identical twins are more common in some ethnic groups, with the highest rate among Nigerians and the lowest among Japanese.

What increases your chance of having twins?

Factors that increase the chance of twins include: consuming high amounts of dairy foods and conceiving over the age of 30, and while breastfeeding. Many fertility drugs including Clomid, Gonal-F, and Follistim increase the odds of a twin pregnancy.

How can I have twins naturally?

Conception happens when a sperm fertilizes an egg to form an embryo. However, if there are two eggs present in the womb at the time of fertilization or the fertilized egg splits into two separate embryos, a woman can become pregnant with twins.

Do genetic twins skip a generation?

A commonly held notion about twins is that they skip a generation. ... However, if that was truly the case—if there was a twin gene—then twins would occur with predictable frequency in those families that carry the gene. There is no concrete scientific evidence that suggests twins skip a generation.

How To Have Twins: Get the Truth from a Fertility Expert

17 related questions found

Do twins come from Mom or Dad?

For a given pregnancy, the odds of conceiving fraternal twins are only determined by the mother's genetics, not the father's. Fraternal twins happen when two eggs are simultaneously fertilised instead of just one.

Who carries the twin gene?

While men can carry the gene and pass it on to their daughters, a family history of twins doesn't make them any more likely to have twins themselves. 3 But, if a father passes on the "twin gene" to his daughter, then she may have a higher chance than normal of having fraternal twins.

What to eat to get pregnant with twins?

Although there can appear to be a pattern in some families of this happening, the odds of having identical twins is the same for every woman. Eating a diet which is high in dairy foods, milk and meat is said to help, especially at the time of ovulation.

Can I have twins test?

But the only way to confirm a twin pregnancy is with an ultrasound done at your doctor's office, typically during the first trimester. Your doctor may also be able to confirm if you're having fraternal or identical twins, but a DNA test can tell you for sure.

How common are twins naturally?

Having twins naturally

It's estimated that 1 in 250 pregnancies results in twins naturally, and there are two ways to conceive them.

Could I be pregnant with twins again?

The National Organization of Mothers of Twins Clubs claims that once you have had fraternal (dizygotic) twins, your chances of having another set are three to four times greater than that of the general population. Both hereditary and environmental factors may contribute to this.

Can folic acid cause twins?

Folic Acid Not Tied to Multiple Births. Jan. 31, 2003 -- Women who take folic acid supplements before or during pregnancy are not any more likely to have a multiple birth, such as twins or triplets, according to new research.

How do you know if boy or girl twins?

14-17 Weeks Pregnant With Twins
  1. Boy or girl? Each baby's sex organs will form around this time, but you might not find out the genders until 18 to 20 weeks, when an ultrasound might reveal it.
  2. Eyes in motion. ...
  3. Tiny movements.

What causes twin pregnancy?

Multiple pregnancy usually happens when more than one egg is fertilized. It also can happen when one egg is fertilized and then splits into 2 or more embryos that grow into 2 or more babies. When one fertilized egg splits into 2, the babies are called identical twins.

How many generations do twins skip?

People with twins in their extended families may wonder whether a crib for two is in their future, too. According to conventional wisdom, twins not only run in families, but they also — for some strange reason — always skip at least one generation.

How are twins conceived?

To form identical or monozygotic twins, one fertilised egg (ovum) splits and develops into two babies with exactly the same genetic information. To form fraternal or dizygotic twins, two eggs (ova) are fertilised by two sperm and produce two genetically unique children.

What are signs you're having a girl?

Eight signs of having a girl
  • Severe morning sickness. Share on Pinterest Severe morning sickness may be a sign of having a girl. ...
  • Extreme mood swings. ...
  • Weight gain around the middle. ...
  • Carrying the baby high. ...
  • Sugar cravings. ...
  • Stress levels. ...
  • Oily skin and dull hair. ...
  • Baby's rapid heartbeat.

Do you cramp more with twins?

With a twin pregnancy, your body makes high levels of pregnancy hormones. So morning sickness may come on earlier and stronger than if you were carrying a single baby. You may also have earlier and more intense symptoms from pregnancy, like swelling, heartburn, leg cramps, bladder discomfort, and sleep problems.

What fertility pills make twins?

Clomiphene and gonadotropins are commonly used fertility drugs that can increase your chances of having twins. Clomiphene is a medication available only through prescription. In the United States, the brand names for the drug are Clomid and Serophene.

How can I get pregnant with twins fast?

Taking fertility medication is one of the most common ways to get pregnant with twins. They increase fertility by stimulating egg production. If more eggs are produced, the chances that more than one egg will be released during ovulation also increase.

Can you pay for IVF to have twins?

IVF Cost, Insurance a Factor

It's rare for IVF patients to bluntly request twins, and few ask for triplets or more, but many mention a desire for twins, IVF doctors tell WebMD. That happens "all the time," says Mark Perloe, MD, medical director of Georgia Reproductive Specialists in Atlanta.

How do you have boy and girl twins?

Boy/girl twins are always fraternal or (dizygotic); they can only form from two separate eggs that are fertilized by two separate sperm. The terms identical and fraternal don't describe what the twins look like, but actually how they form.

What are the chances of me having twins if my mom is a twin?

If a woman's mother has fraternal twins, she is about 2 times more likely to have twins. This is why we often say the “risk” for having twins comes from the mother. It doesn't matter if the dad also has fraternal twins in his family – his DNA won't influence how many eggs the mom releases!

How soon can twins be detected?

"You can guess as much as you want, but until you have the ultrasound examination, it's all just speculation," says Dr. Grunebaum. Luckily, most mamas don't have to wait long to know for sure. "Today, twins can usually be diagnosed as early as six to seven weeks of the pregnancy," he adds.

What are the odds of a twin having twins?

According to The American Society for Reproductive Medicine, women who are fraternal twins have a 1 in 60 chance of having twins, and men who are fraternal twins have a 1 in 125 chance of fathering twins.