1. In captivity the bears usually have a difficult time conceiving, carrying their pregnancies to full term and looking after their newly born cubs.
2. He said he had read most of the Potter books for pleasure before conceiving of the class.
3. In Western big cities, one in six couples has difficulty conceiving.
4. Infertility is becoming a serious problem, with approximately one in six couples experiencing difficulties conceiving during their reproductive life.
5. One in six couples has trouble conceiving within a year, although 70 percent finally succeed after two years.
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6. But their contribution was beyond measurement in conceiving and completing such a complex legislative project.
7. Female pandas normally reach oestrus at the age of four or five and have only one chance of conceiving in a year.
8. A recent study by the Harvard School of Public Health in Boston found that women who consume high amounts can have problems conceiving.
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9. Doctors have long known that the older a woman is, the more trouble she will have conceiving.
10. " I spent about three months conceiving and writing the storyline, " Yim says.