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.
Iâll have to face future play dates where other moms are 10, even 15 years old than I am. But for me, for us, weâre ready and weâre happy, despite your upturned nose.â. The biological âbest ageâ for a baby is clearly out of step, then, with what might be the sociological best age.. Many twentysomethings consider themselves way too scattered and irresponsible to have a child. As Mirowsky put it, Humans mature reproductively about a decade before Americans mature socially..