The possibility of down syndrome increases as the mother's age increases because

The probability of the chance for getting the Down's syndrome is high as the maternal age increases because of the age related discomfort abilities.

When problem arises in the cell division of the chromosome number 21, it leads to a syndrome called as Down's syndrome. If both partners involved in reproduction process are healthy and fit, the zygote formation happens in a positive manner.

As per the condition given, if the maternal age increases, the possibility for the fetus to get affected with Down's syndrome because as the age increases, the body related activity starts to reduce. The chance for an elder woman to conceive a kid with Down's disorder increment with age on the grounds that more aged eggs have a more serious danger of inappropriate chromosome division.  

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

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