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Naturally, twins occur in about one in 250 pregnancies, triplets in about one in 10,000 pregnancies, and quadruplets in about one in 700,000 pregnancies. The main factor that increases your chances of having a multiple pregnancy is the use of infertility treatment, but there are other factors.
What are the chances of having twins, triplets, or quadruplets naturally? For monozygotic twins, the chances are 0.3%. In the case of dizygotic twins, the odds go up to 0.4%. For triplets, the natural probability is 0.01%, and for quadruplets, it's a minuscule 0.00014286%.
Identical triplets or quadruplets are very rare and result when the original fertilized egg splits and then one of the resultant cells splits again (for triplets) or, even more rarely, a further split occurs (for quadruplets). The odds of having identical triplets is unclear.
2 Οκτ 2020 · Delivering triplets naturally rarely happens and isn’t recommended by health professionals. Getting one baby out of there is hard enough, but with three, the risks greatly increase – the placenta or umbilical cord can become compressed, or the babies can become entangled.
19 Αυγ 2023 · Triplets conceived naturally, without any fertility treatment, are called spontaneous triplets and are uncommon. Only about one in every 10,000 pregnancies results in naturally conceived triplets. If there is a family history of multiple pregnancies, the chances of having triplets may be higher.
Many factors are linked to having a multiple pregnancy. Naturally occurring factors are: Heredity. A family history of multiple pregnancy raises the chances of having twins. Older age. Women older than 30 have a greater chance of multiple conception. Many women today are waiting to have children until later in life. They may have twins as a result.
In many cases it recommends a single embryo transfer. Woman aged 40-42 may have a double embryo transfer. Some women may go abroad for treatment where more embryos may be implanted. There is also a chance that em-bryos split in the womb creating multiple births.
