While cocaine's effects are usually immediate, the effect it can have on a fetus may last a lifetime. Babies born to mothers who smoke crack cocaine during pregnancy -- so-called ''crack babies'' -- usually have their own set of physical and mental problems.hile cocaine's effects are usually immediate, the effect it can have on a fetus may last a lifetime. Babies born to mothers who smoke crack cocaine during pregnancy -- so-called ''crack babies'' -- usually have their own set of physical and mental problems.
Last year, there were 27,000 babies born to momâs over 40. The study was done to help women understand their fertility lifecycle. They still argue that the safest time to have a baby is between 20 and 35. In fact, 30% of 35 year olds need more than a year to conceive while only 5% of 25 year olds need this much time.
Though Down syndrome babies may be born to mothers of any age, they are more frequently born to older mothers. At the age of 20, a mother has 1 chance in 1,667 of having a child with Down syndrome; at the age of 35, she has 1 chance in 385; at the age of 40, she has 1 chance in 106.or example, the average woman at age 30 ovulates 13 times a year; by age 40, she may ovulate only 5 or 6 times a year. Older women are also more likely to have problems with their reproductive organs, which may prevent pregnancy from occurring.