There can be various reasons why a couple might face challenges conceiving a child. Infertility issues, medical conditions, stress, lifestyle factors, or simply the natural variation in the time it takes to conceive are some possibilities. It's essential to remember that each individual's situation is unique, and medical matters should be addressed by healthcare professionals specialized in fertility and reproductive health.
If your sister and her partner are concerned about their fertility journey, it's recommended that they consult with a qualified healthcare provider or a fertility specialist who can offer personalized advice and guidance based on their specific circumstances. They may be able to explore various options, treatments, or lifestyle changes that could help them achieve their desire to have a baby. Additionally, emotional support and understanding from family and friends can be valuable during such challenging times.