Tania and Ray, embarking on their first IVF attempt, are warned about their chances.
Julia and Martin embark on their fifth IVF attempt.
Tania and Ray get a dreaded phone call; Debbie and Chris wait to learn the sex of their child.
Professor Robert Winston, who runs Britain's busiest IVF; Ray and Tania reach the stage of the operation to collect the eggs.
Tania won't give up even after a potentially dangerous reaction to hormone drugs.