Can fraternal twins be fertilized at different times?

In rare cases, two eggs can be fertilized at different times during two or more acts of sexual intercourse, resulting in fraternal twins with two different fathers, called bipaternization. Monozygotic, or identical twins, occur when one fertilized egg splits into two separate embryos.

How does fertilization differ in fraternal twins?

Because fraternal, or dizygotic, twins are 2 separate fertilized eggs, they usually develop 2 separate amniotic sacs, placentas, and supporting structures. Girl-boy twins occur when one X egg is fertilized with an X sperm, and a Y sperm fertilizes the other X egg.

Can IVF produce fraternal twins?

The chance of a single embryo dividing and resulting in identical twins is higher after IVF than after natural conception. So it is possible to end up with identical twins from a single transferred embryo.

Can you get in vitro to have twins?

The chance of having twins after using in vitro fertilization is higher the chance of having twins by vaginal intercourse. Couples who use in vitro fertilization provide a number of oocytes (eggs) and sperm, which are mated in laboratory conditions.

What to expect during in vitro fertilization?

In Vitro Fertilization: What to Expect Ovulation Induction. Each month, your ovaries will naturally produce a single egg. Egg Retrieval. This procedure is performed in a clinic or doctor’s office. Sperm Retrieval. If you intend to use your partner’s sperm, then a semen sample will need to be provided the morning of the egg retrieval. Fertilization.

Why is in vitro fertilization so popular?

Couples and individuals struggling with infertility in the Los Angeles, California area and around the world often turn to in vitro fertilization to help them reach their goals of becoming parents. This procedure has helped many overcome the condition in a safe and effective manner.

What is wrong with in vitro fertilization?

IVF is wrong because it cannot exist in a vacuum of perfection where children are safe from the harm of it. IVF is wrong because it cannot treat the underlying causes of infertility that make the body unable to support, create, and carry children. Infertility is a disease and there is ALWAYS a cause for it.