Psychosocial and psychophysiologic aspects of reproduction: the need for improved study design.
D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007247:Infertility, Female / Q000523:psychology*; D010349:Patient Compliance; D011247:Pregnancy; D011446:Prospective Studies; D012107:Research Design; D012494:Sampling Studies; D013223:Statistics as Topic; D013245:Sterilization, Reproductive / Q000523:psychology*; D013997:Time Factors