National Health and Family Planning Commission refuses to confirm report that claimed the policy will probably be introduced this year.
China's newborn population grew to 16.87 million in 2014, thanks partly to the country's relaxation of the "one-child" policy, a health official said
Most couples applying to have a second child will deliver their babies this year, rebuffing speculation that the measure is unpopular.
Qualified couples have been reluctant to take advantage of looser restrictions on China's one-child policy, with experts expecting the number of second babies to increase in the next two years.
China's top legislature Saturday made a resolution to allow couples to have two children if either parent is an only child in improving the family planning policy.
Guangdong collected 1.45 billion yuan ($239 million) last year from people who had more children than the family planning policy allows.
China's top family planning authority will continue charging social maintenance fees for family planning policy violations, although some experts say the 12-year-old fee is outdated.
The high cost of raising children forces the majority of couples eligible applying for permission to have a second child abandon their plan, a survey found.
Experts are calling for an accelerated scrapping of the one-child policy as the nation's birthrate moves toward a dangerously low level.
The family planning policy has indeed checked China's exploding population growth and also ingrained the one-child concept in many people's minds.
About 700,000 Chinese couples in which one of the partners is an only child applied to have a second child by the end of August, and 620,000 of them got a permit, the National Health and Family Planning Commission said on Wednesday.