Cwblhawyd yr arolwg cyfan gan 3,968 o fenywod o bob cwr o Gymru. Roedd pob grŵp oedran wedi'i gynrychioli, o famau newydd i famau sydd wedi geni nifer o blant.
3,968 women from all over Wales completed the full survey and represented all age groups, ranging from first time mothers, to those who have had several births.