21.   If we recall, the issue was frozen embryos that would never become life.

22.   If she conceives, say, in the third attempt, there may be a dozen unused frozen embryos.

23.   If the father dies after a woman has banked a frozen embryo, she cannot seek to become pregnant as a single mother.

24.   In cross-complaints, M.B. sought custody of the frozen embryos for possible later use if he remarried or decided to donate them to another infertile couple.

25.   In Illinois, the attorney general said a woman who had a frozen embryo was considered pregnant.

26.   In practice the cells come from excess frozen embryos due to be discarded by fertility clinics.

27.   In the United States, there is no federal law governing the rights to frozen embryos, and most legal battles occur at the state level.

28.   Last year, researchers using private financing managed to culture human embyronic stem cells from frozen embryos created in fertility clinics and from aborted fetuses.

29.   Most centers charge a yearly storage fee for frozen embryos that ranges from a few hundred dollars to more than a thousand.

30.   Next week, opponents of the research will use a House subcommittee hearing to showcase children who were adopted as frozen embryos.