Summarize this: 1. Improved General Health: Physical activity helps maintain a healthy weight, reduces the risk of developing chronic diseases, and improves cardiovascular health. All these factors indirectly influence fertility by promoting overall health.
    2. Weight Management: Regular physical activity is essential for maintaining a healthy weight. Both obesity and underweight can lead to fertility problems in women. Physical activity can help achieve and maintain an optimal weight, therefore supporting healthy fertility.
    3. Insulin Sensitivity: Regular exercise improves insulin sensitivity, which can be beneficial for women with Polycystic Ovary Syndrome (PCOS). PCOS is a common cause of infertility, and many women with PCOS have insulin resistance.