 Complete the following phrase:  Beginning in 1979, China implemented the one-child policy, which stipulated that a couple can only have one child, resulting in a declining new population and a rapidly ageing society. In order to slow down the trend of population ageing, in 2015, the CCP officially launched the two-child policy, which relaxed the birth restrictions. However, the policy did not result in the expected wave of births, and the pregcy rate among young women continued to show a record low decline, experiencing a third consecutive year of decrease. In this regard, during the 