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If twin a is a boy what are odds for twin b

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Understanding the Odds for Twin B's Gender Based on Twin A's Gender

"If twin A is a boy, what are the odds for twin B?" This question commonly arises when people are curious about the likelihood of a specific gender combination in twins. In this review, we will explore the positive aspects and benefits of understanding the odds for twin B's gender based on twin A's gender. This information can be useful for those who are expecting twins or simply interested in the topic.

Benefits of Knowing the Odds for Twin B's Gender:

  1. Providing Insight and Clarity:

    By understanding the odds, individuals can gain insight into the likelihood of twin B's gender based on twin A's gender. This information can help manage expectations and reduce uncertainty.

  2. Assisting in Family Planning:

    For couples planning their family, knowing the odds can be advantageous. It allows them to make informed decisions about family size and gender preferences.

  3. Preparing for Parenting:

    Knowing the odds for twin B's gender can help parents-to-be better prepare for their new arrivals. It enables them to anticipate clothing, room decorations, and other gender-specific needs.

  4. Facilitating Emotional Preparation:

    Expectant parents may have emotional attachments or expectations based on the gender of their children. Understanding

Title: What Are the Odds of 50 Sets of Twins Out of 3000 Children in Tennessee? Meta-description: Curious about the likelihood of having 50 sets of twins out of 3000 children in Tennessee? Let's explore the statistical odds and delve into the fascinating world of twinning. Introduction: Have you ever wondered what the chances are of having an unusually high number of twins in a given population? In Tennessee, an intriguing scenario unfolded when 50 sets of twins were born out of a total of 3000 children. This occurrence piques our curiosity and raises the question: what are the odds of 50 sets of twins out of 3000 children in Tennessee? Let's dive into the statistics and explore the fascinating world of twinning. Understanding the Likelihood: Determining the exact odds of having 50 sets of twins out of 3000 children in Tennessee requires a statistical analysis. Twinning rates vary across different populations due to genetic, environmental, and socioeconomic factors. However, we can estimate the odds by considering the general twinning rates and applying them to the specific scenario. 1. General Twinning Rates: - On average, the worldwide occurrence of twins is about 12 per 1000 births. - In the United States, the

What are the odds of having twins if you are a male twin?

Even though researchers haven't pinpointed the cause, some people are at an increased likelihood of 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.

How rare is it to have boy girl twins?

Given a 50/50 sex ratio (I think this is true/close enough for dizygotic twins), 1/2 of twins have an opposite-sex twin, so 1.5% of people are part of an opposite-sex twin pair. So about 1 out of every 68 people is a member of a male-female twin pair. Monden, Christiaan, Gilles Pison, and Jeroen Smits. 2021.

Do male twins carry the twin gene?

Fraternal twins tend to run in families. Researchers think there may be a gene for hyperovulation (the tendency to release more than one egg in a single menstrual cycle). While both males and females could carry the gene, the male would not as a result be at increased risk of having twins.

What gender is most common in twins?

Female twins Sex determination in twins occurs as normal, with males having XY and females having XX. The sex of a fetus, even twins, can be identified via an ultrasound at week 14-21 of the pregnancy. Twins can consist of males, females, or both, with female twins being the most common.

Which parent carries the gene for twins?

However, since only women ovulate, the connection is only valid on the mother's side of the family. 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.

How to get twins one boy and one girl?

Fraternal twins, on the other hand, result when two separate eggs are fertilized by two separate sperm cells. Both fertilized eggs implant into the uterus and — 9 months later — two babies are born. Fraternal twins can either be two boys, two girls, or a boy and girl. They may or may not look a lot alike.

Frequently Asked Questions

Is it more likely to have the same gender the second time?

What are the chances of having a girl after having a boy? The chance of having a girl after two boys was about 48% and the chances of having a boy after two girls was slightly lower, at only 46 per cent. So you are more likely to have the same gender when you already have two of the same.

Is it rare to have twins of different genders?

Although discordant karyotypes are known in identical twins, cases involving differences in sex phenotype are rare. We studied identical twins with the 46,XY karyotype - a male with mixed gonadal dysgenesis and a female with "pure" gonadal dysgenesis.

What percentage of twins are same gender?

50% Therefore 70% of twins are non-identical and 50% of those will have the same gender.

Are twins more common in your 40s?

Age. The older moms are when they conceive, the more likely they are to have twins. A 2019 CDC analysis found that compared to women under the age of 20, moms between the ages of 30 to 39 were twice as likely to have twins, while moms over the age of 40 were three times as likely.

FAQ

What age is high risk for twins?
Age: The older you are, the higher your chances of having fraternal twins or higher order multiples. One theory is women age 35 or older produce more follicle-stimulating hormone (FSH) than younger women.
Who is pregnant with twins at 48?
Hilary Swank is pregnant at 48, not just with one baby, but with two. "This is something that I've been wanting for a long time," the actor said on Wednesday in an appearance on "Good Morning America." "My next thing is, I'm going to be a mom."
Can two male twins be fraternal?
Fraternal or 'dizygotic' twins Two separate eggs (ova) are fertilised by two separate sperm, resulting in fraternal or 'dizygotic' (two-cell) twins. These babies will be no more alike than siblings born at separate times. The babies can be either the same sex or different sexes.
How common are boy boy fraternal twins?
If they're fraternal twins, the odds would be one in two. Whichever one is born first, the other one has roughly fifty percent chance of being the same. Both girls, one in four. Both boys, one in four.

If twin a is a boy what are odds for twin b

How common is it to be a fraternal twin? About 23 in every 1000 births are fraternal, a much higher rate than the three or four out of 1000 births for identical twins.
How rare is it to have two sets of fraternal twins? Odds of Having Another Set of Multiples 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.
What is the rarest type of twin? Monoamniotic-monochorionic Twins These types of twins share a chorion, placenta, and an amniotic sac. This is the rarest type of twin, and it means a riskier pregnancy as the babies can get tangled in their own umbilical cords.
How rare is it to have multiple sets of twins? What is the likelihood of having more than one set of twins? If existing twins are identical the chance of having another set is the same as most women, about 1 in 250. If the twins are non- identical the chances of having twins again are much higher.
  • How do you calculate probability of twins?
    • If a woman's sister has fraternal twins, she is about 2.5 times more likely to have twins herself. 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.
  • What is the most common set of twins?
    • Fraternal or 'dizygotic' twins Around two in three sets of twins are fraternal. Two separate eggs (ova) are fertilised by two separate sperm, resulting in fraternal or 'dizygotic' (two-cell) twins.
  • What set of twins are rare?
    • Alba's twins were monoamniotic-monochorionic and shared the same placenta, amniotic sac and fluid. MoMo twins are some of the rarest types of twins, making up less than 1 percent of all births in the United States.
  • Who carries the gene for twins?
    • Fraternal twins tend to run in families. Researchers think there may be a gene for hyperovulation (the tendency to release more than one egg in a single menstrual cycle). While both males and females could carry the gene, the male would not as a result be at increased risk of having twins.