If she had to choose, she would pick the 30s as the ideal childbearing decade:-

http://www.babycenter.com/0_age-and-fertility-getting-pregnant-in-your-30s_1494695.bc

Nicole Rogers, director of sales at the San Francisco Marriott, had one child in her 20s, three in her 30s, and one at 41. If she had to choose, she would pick the 30s as the ideal childbearing decade.