Such health practitioners include obstetricians, midwives, obstetrical nurses and many others. Professionals attending home births can be obstetricians, certified or uncertified midwives, and doulas. The Canadian Diabetes Association and the American College of Obstetricians and Gynecologists recommend universal screening. In contrast, primary care physicians were the least satisfied, followed by nephrologists, obstetricians/gynecologists, and pulmonologists. Deliveries are assisted by a number of professionals including&colon; obstetricians, family physicians and midwives. This finding echoes that of the American College of Obstetricians and Gynecologists. He later abandoned "Roe v. Wade" in "Thornburgh v. American College of Obstetricians and Gynecologists". General practitioners would be the surgeons, the obstetricians, and the internists for their given communities. The Royal College of Obstetricians and Gynaecologists has these images on its brochure. She travelled to Europe to consult doctors, because there were no specialist obstetricians in Hyderabad. Generally in Asia, childbirth is still a woman's area and male obstetricians are rare. Most obstetricians argue that not offering screening for Down syndrome is unethical. Richard Gordon states that Holmes' exhortations "outraged obstetricians, particularly in Philadelphia". There were only 18 obstetricians for a population of 19 million. Despite the impressive results, Semmelweis's ideas were not accepted by the other obstetricians in Budapest.