Multiple pregnancies in assisted reproduction: pros and cons
Multiple pregnancies are largely related to assisted reproduction treatments.
In the last ten years there have been increased cases of births of twins and triplets, which has led fertility specialists to put measures to avoid this situation, because multiple pregnancies carry more risks than single pregnancies.
The gestation of more than one embryo can bring complications for both the health of the mother and that of the babies. Therefore, it is necessary to make an assessment of all the pros and cons before making the decision on the number of embryos to be transferred.
Below you have an index with all the points that we will discuss in this article.
Index
Multiple pregnancies in assisted reproduction: pros and cons- 1. Twins or twins in assisted reproduction?
- 2. I want to have twins
- 2.1. Advantages of twin pregnancy
- 2.2. Disadvantages of twin pregnancy
- 3. Questions from users
- 3.1. I want to get pregnant with twins, can I make this decision in an IVF?
- 3.2. Is it possible to get a multiple pregnancy with Omifin?
- 3.3. Is it possible for a pregnancy of twins by ovodonation?
- 4. Recommended reading
Twins or twins in assisted reproduction?
The pregnancies obtained by assisted reproduction do not generate identical twins but twins, that is, two ovules fertilized with two different sperm.
This is due to the fact that ovarian stimulation, both in artificial insemination (AI) and in vitro fertilization (IVF), causes the maturation of several follicles, from which different ovules will be obtained.
On the other hand, the types of multiple pregnancies in Spain are usually twins, of two embryos, or in some extreme cases of triplets.
Spanish legislation, in its Law 14/2006, only allows the transfer of a maximum of three embryos.
The probability of having a twin pregnancy is higher in IVF due to the transfer of more than one embryo. For this reason, the current trend of specialists is the single transfer. In this way, a greater number of embryos would be evaluated only in women of advanced maternal age or other cases that indicate this.
In artificial insemination, it is tried to make a soft stimulation that allows the development of a single follicle or maximum two, so that finally fecundates a single ovule. In case of obtaining more follicles than recommended, it is necessary to cancel the cycle to avoid multiple pregnancies.
Twins and fertility treatmentsIn assisted reproduction there is also the possibility of a twin pregnancy occurring naturally due to the division of the embryo in two after the embryo transfer or insemination, so that identical or monozygotic twins are obtained.

I want to have twins
Today, gynecologists specializing in assisted reproduction insist on the importance of transferring a single embryo in order to avoid multiple pregnancies. However, patients have an idea contrary to what doctors recommend.
The future parents do not want to put all their hopes in a single embryo. Also, they prefer to have two twins in the same treatment and not go through the same process again.
Assisted Reproduction ORG has reached agreements with Spanish clinics to offer you a discount on the treatment that best suits your situation.
In addition, you can also have the first free visit to inform you of everything at zero cost. Find all the information in the following link: See discounts in FIV / ICSI.
A treatment of assisted reproduction is very hard from the emotional point of view. Constant visits to the clinic are necessary, without forgetting that the cost of the techniques is high and many families can only afford a single treatment.
Next, we will expose the pros and cons of having a multiple pregnancy in a fertility treatment:
Advantages of twin pregnancy
As we have already commented, the main advantage of a multiple pregnancy in infertile couples is the fact of not repeating the fertility treatment again. With the birth of babies, parents see their dream of having children fulfilled and do not usually resort to seeking a new pregnancy.
Another advantage is that, with the twin pregnancy, the mother goes through a single pregnancy and a single birth, which is an experience that not many want to repeat.
On the other hand there is the special bond that is formed between twins. They grow up together, learn to share everything and are excellent playmates.
Disadvantages of twin pregnancy
The cons of multiple pregnancies are due to the risks involved in the mother and babies, which are summarized below:
- Premature delivery
- Previous placenta
- Preeclampsia or hypertension
- Gestational diabetes
- Cesarean birth
- Postpartum hemorrhage
- Previous placenta
- Miscarriage or loss of one of the fetuses
- Fetal transfusion syndrome
- Delay in growth or low birth weight
- Perinatal mortality
- Chromosomal alterations
In addition, if the mother is older than 38 years, multiple pregnancy increases the risk of complications such as thrombophilias or cardiac arrest. For this reason, in case of multiple pregnancy after a fertility treatment, it is sometimes necessary to make an embryo reduction if they have implanted 2 or 3 embryos.
On the other hand, there are also complications when raising children at home such as, for example, increased workload, sleepless nights, disbursement of money, etc. Twin children require all the attention of the parents and many times extra help is also necessary.
Risks of a multiple pregnancyQuestions from users
I want to get pregnant with twins, can I make this decision in an IVF?
Yes, it is possible for a woman or a couple to choose to transfer two embryos instead of one. However, it is very important to follow the recommendations of the specialists and not run the risk of having a multiple pregnancy. In addition, not all transferred embryos are able to implant in the uterus.
Is it possible to get a multiple pregnancy with Omifin?
Omifin is a medicine used by women with polycystic ovary syndrome to be able to ovulate. In addition, Omifin also causes follicular maturation in the ovary. Therefore, it is necessary an ultrasound control and the administration of the adequate dose to avoid multiple gestation.
Is it possible for a pregnancy of twins by ovodonation?
Yes, this depends on the number of embryos that are transferred to the maternal womb. In addition, the pregnancy rate with ovodonation is higher than with ovules due to the fact that the donated ovules have higher quality.
Recommended reading
If you want to get more information about all the premises when deciding how many embryos to transfer after an IVF, you can continue reading in the following post: How many embryos do you have to transfer?
The risks of multiple pregnancy are diverse, especially in women of advanced maternal age. If you want to read more about this topic, we recommend you visit the following article: Risks of multiple pregnancy.
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