September 13, 2010 01:00 PM

Courtesy Hello!

After enduring three rounds of IVF treatment, Rod Stewart and wife Penny Lancaster are delighted to be expecting again in mid-March.

However, the road to pregnancy was long and hampered, surprisingly, by fish.

“I love fish and I thought that it was healthy without understanding the high mercury levels that fish like tuna, swordfish and halibut can contain,” Lancaster, 39, tells Hello! in its latest issue.

“My doctor said it was unhealthy to have so much mercury in my body, and also for conceiving babies.”

Finding the third time to be a charm, Lancaster called Stewart, 65, after learning that their latest emotionally-draining IVF procedure had been a success.

“I called Rod when I was still sobbing. Rod said, ‘I’m in the middle of a restaurant in Russia, crying.'” Stewart adds, “IVF can be stressful, especially for the woman with all the hormone injections and procedures. When the first attempt didn’t work, I said, ‘Don’t worry, we’ll just keep trying.'”

Most excited by the news is the couple’s 4½-year-old son, Alastair Wallace.

“Our son’s happiness made all the IVF treatments worthwhile,” Lancaster explains, adding that the couple is “99 percent” sure that they’re having another boy.

— Simon Perry

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