Doctor insights on:
What Is The Incidence Of Twin Births
See below: Monozygotic twin births occur all over the world at a constant rate of 3.5 per 1000 births. Dizygotic twin births range from 6.7/1000 births in japan, to a high of 40/1000 births in nigeria. The two most important factors that influence dizygotic twinning are maternal age at conception, and the use of assisted reproductive technology. Due to the increasing tendency of women to delay pregnancy. ...Read moreSee 1 more doctor answer
...That is a measure of the risk of developing some new condition within a certain period of time. The incidence rate is the # of new cases per population that develop a disease over a period of time. So, in a population of 100, if 5 people develop the disease within 5 years, the incidence rate is 5% over 5 years. Compare to 'prevalence', which measures the total # ...Read more
If there is a 60% chance of single birth putting one blastocyte in.. Why 30% twin chance putting 2 in and not 60% chance twins with 2 in?
Good question: That is the kind of question I would ask. I'll try to explain. A certain percent, maybe 30 fail because of factors not related to how viable the blastocyst is. So no matter how many are transferred you can't go over that. Then there is a percent of failure for each blastocyst. These odds are multiplied which results in the rapid drop. ...Read more
1.5-3%: Risk of twins with a family history is slightly increased to ~1.5-3% from baseline 1.5%. Exact risk may also be due to other factors besides family history, such as age of woman, ethnic background, baseline fsh level. However, the family history of twinning on paternal side contributes little, if any at all, since its the number of eggs released by the woman which usually determines twinning. ...Read moreSee 1 more doctor answer
Well: Depending on the doc, a vaginal breech extraction can be performed on twin 2 if twin 1 paves the way. If vtx/ breech it would likely b #2 a breech extraction. Most docs go for the section because we have less experience with breech delivery. At times it's no so clear, baby 2 may be transverse and come down either way. Most docs go for the section on twins unless both r head down, not unwise. ...Read moreSee 2 more doctor answers
Probably not: Developmental delay/disabilities have many causes, most of which are not genetic. If you are known to carry a genetic disease associated with developmental disability, testing can usually be performed on each fetus individually while still in the uterus. If you are thought to have identical (monozygotic) twins or triplets, then they would all share identical genes. ...Read more
My baby is two months old and I lost twins in August 2014 are my chances for multiples higher since I just gave birth?
Unclear: Are you saying that you are pregnant again now or are you thinking of getting pregnant again? It is not clear from your question. The circumstances of your fetal loss with twins should be investigated to see if anything needs to be handled differently in future pregnancy. Short intervals between pregnancy increases the risk of preterm labor. ...Read more
12 wks preg with my first. And they're twins. I'm only 125 pds. Prepeg 115 pds, 5'5. What are the chances of underweight births? So sick cant eat much
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