future childbearing, by increasing the risk of infertility, miscarriages, complications, ectopic pregnancy, or fetal health problems. These claims are not supported by medical data. CPCs have also been found to disseminate misinformation about birth control methods, in particular the idea that contraception and condoms do not work or have harmful effects. False information about pregnancy and the female body or about fetal development may also be provided, as may misinformation about the availability of abortion in early pregnancy and the rate of postpartum depression among women who carry to term, CPCs may also misinform women about their stage of pregnancy in order to prevent them from seeking an abortion until it is no longer legally possible. Care Net denounces "any form of deception in its corporate advertising or individual conversations with its clients", though they also say of their promotion of an abortion–breast cancer link that their "role is clearly to include this possible risk when [they] educate clients about all the risks of abortions." A July 2006 report by Representative Henry Waxman (D-CA) and his minority members' staff in the House Committee on Government Reform noted that CPCs had received over $30 million in federal funding since 2001, derived mostly from programs for abstinence-only education. For this report, female investigators telephoned CPCs that had received federal funding, and posed as pregnant teenagers deciding whether to get an abortion. They found that 20 of the 23 centers reached, (87%) provided false or misleading information about the health effects of abortion, particularly about a supposed link between abortion and breast cancer, supposed risks to subsequent fertility, and supposed negative mental health repercussions. Religious affiliation The overwhelming majority of CPCs in the U.S. are run by Christians according to a conservative Christian philosophy. , two Christian charities, Care Net and Heartbeat International, accounted for three quarters of CPCs in the United States. Care Net, the largest CPC network in the United States, is explicitly evangelistic in nature, and says that its "ultimate aim...is to share the love and truth of Jesus Christ in both word and deed" and that its "pregnancy centers are committed to sharing the love of Jesus Christ with every person who walks through their doors." Heartbeat International, one of the largest CPC networks in the United States and also the largest CPC network in the world, runs "Christian crisis-pregnancy centers" and describes itself as a "Christian association of