Rib or kidney pain during the 19th week of pregnancy can be caused by a variety of factors. As your baby grows, it puts pressure on your organs, including your ribs and kidneys. This pressure can cause discomfort and pain in these areas. Additionally, hormonal changes during pregnancy can lead to relaxation of the ligaments and muscles around the ribs and kidneys, which may contribute to pain. It is important to mention any persistent or severe pain to your healthcare provider, as they can provide guidance and ensure there are no underlying issues causing the discomfort. In most cases, however, rib and kidney pain during this stage of pregnancy is considered normal and can be managed with simple remedies such as applying heat or cold packs, practicing good posture, wearing comfortable clothing, and engaging in gentle exercises recommended by your healthcare provider.