Reclaiming Catholic Intimacy - This website offers a podcast every Monday that discusses all things sex and intimacy from a Catholic perspective. They also offer courses for women described as "a group coaching program for Catholic wives who want sex to feel good, meaningful, and joyful."
Fertility Friday – This website offers a podcast with special guests every Friday on a variety of medical, statistical, interpersonal, and uplifting fertility-related topics.
Book resources:
Holy Sex! By Gregory Popcak PhD
Good News about Sex and Marriage by Christopher West