It is not uncommon for pregnant women to experience various physical sensations and symptoms throughout their pregnancy. Shivering in the legs can be one such symptom that some women may experience during the second month of pregnancy. The exact cause of this sensation is not fully understood, but it could be attributed to hormonal changes, increased blood flow, or changes in circulation. In most cases, leg shivering during pregnancy is considered normal and does not pose any significant health risks. However, if you are concerned or if the shivering becomes severe or accompanied by other concerning symptoms such as pain or swelling, it is always best to consult with your healthcare provider for further evaluation and guidance. They will be able to assess your specific situation and provide appropriate advice based on your individual needs.