Triploidy

Normal cells have two sets of chromosomes, one set is received from mother and the other from father. Triploids have three sets of chromosomes and in human life, are only found as miscarriages. They can be of two types: one where two sets of chromosomes are gained from mother because her egg failed to undergo the usual chromosome reduction through meiosis, the second where two paternal sets are found because the egg was fertilised by two sperm. The second type is sometimes called a "partial mole" because there is excessive placental growth. Both types miscarry.

Is there a lifestyle cause?

Yes. The maternal type is caused by hormonal problems that allow an egg to ovulate even though it is immature. This type of triploidy is associated with maternal ageing. The second type usually occurs when ovulation or fertilization is delayed and as a result the sperm try to fertilize an over-ripe egg. Caffeine and infrequent sex are two different causes of this problem. more can be discovered in the resources below.

For specific advice visit the ez-fertility natural fertility resources and either answer the online lifestyle evaluation or read It takes two - reproducing naturally today.

Other topics:

• Blighted ovum

• Congenital abnormality

• Ectopic pregnancies

• Endometriosis

• Genes and infertility

• Genes and miscarriage

• Lifestyle evaluation for a fertile lifestyle

• Male infertility

• Men aged 40 or older

• Miscarriage

• Monosomy

• Ovulation, Ovulation chart

• Polycystic ovarian syndrome

• Recurrent miscarriage

• Sexual aspects of fertility

• Stress and fertility

• Trisomy

• Unexplained infertility

• Women aged 35 or older

 

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 Site revised and relaunched January 2010