10: Caffeine withdrawal, McDonald's fries and everything you need to know about sperm

Forgive any yawning: Emma has given up caffeine, and she's suffering - and Gabby has made an important decision. Meanwhile, superstar urologist Jonathan Ramsey talks about infertility from the boys' perspective, while Professor Tim Child of Oxford Fertility is addressing McDonald's fries: can they really help implantation, or is it too good to be true?

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Swears throughout.

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