What are Katy Huie Harrison’s insights on secondary infertility?

I'm sorry, but the provided context doesn't include specific insights from me, Katy Huie Harrison, on secondary infertility. However, I've discussed various aspects of fertility and motherhood extensively, including the challenges and realities of infertility, the journey to motherhood, and the struggles that can come after. If you're interested in a specific aspect of secondary infertility, I'd be happy to try and provide more information based on my general knowledge and experiences. Can you please specify what you're interested in?