 Critics stated that the law was "government intrusion", pointing out that in the first trimester, only transvaginal sonograms (in which a probe is inserted up the woman's vagina) can be performed, and stated that such a procedure would be inappropriate for victims of incest or rape, which the law does not exempt.Also in 2011, Perry signed a bill that prohibited taxpayer funding for Planned Parenthood, along with a bill that created a "Choose Life" license plate to promote infant adoption in Texas.On February 2, 2007, Perry issued an executive order mandating that Texas girls receive HPV vaccine that protects against some strains of the human papilloma virus, a contributing factor to some forms of cervical cancer.