Women should meet the daily recommended allowance of both folic acid and vitamin B12 when trying to conceive, and during the first trimester of pregnancy, a new study suggests. The Department of Health currently advises women thinking of starting a

of variation among women. Some will have more eggs and some will have less. Whilst it is assumed that lower egg number is associated with more challenges at getting pregnant, this study did not look at that. Currently there is no test that can accurately