One in six couples will experience fertility issues. The irony is that we spend many years preventing pregnancy and will rarely know there is a problem until we actively try to conceive. The contraceptive pill is well known for depleting the resources necessary for hormone balance and a successful pregnancy. If you are planning a baby you will have probably read some of the things that could go wrong in previous pages. The genetic instruction for conception plus the mother’s capacity to implement that instruction during the first eight weeks in the womb will influence the long term health of your offspring and possibly even your grandchildren. To give your children the very best start you can learn how to implement a pre-conception care programme here.