| A | B |
| time off from job for a woman to give birth and care for new baby | maternity leave |
| fathers time off from a job to allow parents to sped more time with the new baby | paternity leave |
| greater chance of allergies | disadvantage of bottle-feeding |
| the mother's uterus returns to normal size faster | advantage of breast-feeding |
| period of time after baby's birth | postnatal |
| spending plan | budget |
| cost of rent, taxes, insurance, which cannot be changed | fixed expense |
| cost over which people have some control and which can be cut back if need be | variable expenses |