Hospital Wanita dan Kanak-kanak Kuala Lumpur (HWKKKL) provides Paediatric, as well as Obstetrics and Gynaecology (O&G) services. It is a tertiary referral centre that caters not only Kuala Lumpur area, but accepts referrals from all over the country for a multitude of Paediatric and O&G subspecialties.

This is also a training centre for doctors and other health professionals. Undergraduate students from government and private universities have part of their education here. Masters students come from universities like Universiti Kebangsaan Malaysia and Universiti Malaya.

Doctors who are involved in parallel pathway programs like MRCPCH and MRHOG also undergo some of their rotations in this hospital. The availability of Paediatrics and O&G subspecialty made HWKKKL is a centre for subspecialty training. Nurses carry out part of their advanced diploma course, as do other allied health officers.