We need to represent women and their finances appropriately but sometimes by broad based differentiating, we somehow create a separation in ways that aren't necessary. Personal difference unique to individuals are far greater than any difference by gender.
Taking time off work to care for your child often means leaving the work force, or working fewer hours. If you do so, you will naturally have less contributions toward your Canada Pension plan than if you worked full time and contributed fully into CPP during those same years. For the stay at home parent, this may lead to a lower CPP pension payment in retirement.