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.
Today (Tuesday January 2) is National Baby-Making Day - when millions of young couples will be having sex in the hope of falling pregnant and giving birth to a September baby. According to a study most wannabe parents will make make love at 10.36pm on Tuesday evening on the most popular day of the year to conceive. Official figures show the UKâs most common day to be born is September 26 - 38 weeks after January 2, which is the length of the average pregnancy.