Why do people donate blood? Altruism is the common answer. However, altruism is a complex construct and to answer this question requires a systematic analysis of the insights from the biology, economics and psychology of altruism. I term this the mechanism of altruism (MOA) approach and apply it here for understanding blood donor motivation. The answer also has enormous implications for the typ...

BACKGROUND The long-term effect of treatment with donated oocytes on women's and men's perception of their relationship has been little studied. Thus the aim of this study was to analyse satisfaction with relationships in couples at the time of acceptance for treatment and 2-5 years after treatment with donated gametes and to compare them with IVF couples treated with their own gametes. METHO...

Corneal transplantation is the most common form of organ transplantation performed globally. However, of all organs, eyes have the highest rate of refusal of donation. This study explored the reasons why individuals decide whether or not to donate corneas. Twenty-one individuals were interviewed who had made a donation decision (13 refused corneal donation and eight consented). Analysis was per...

STUDY QUESTION What is the nature of the relational status, reproductive choices and possible regret of a pioneer cohort of women that either considered or actually performed oocyte banking for anticipated gamete exhaustion (AGE)? SUMMARY ANSWER Only half of the women who banked oocytes anticipate using them in the future but the experience with oocyte banking is overwhelmingly positive, with...

BACKGROUND Premature ovarian failure (POF) remains a clinically challenging entity because in vitro fertilisation (IVF) with donor oocytes is currently the only treatment known to be effective. METHODS A 33 year-old nulligravid patient with a normal karyotype was diagnosed with POF; she had a history of failed fertility treatments and had an elevated serum FSH (42 mIU/ml). Oocytes donated by ...

Following the recent commentary on the importance of body donation for anatomical examination and teaching in Northern Ireland, the issue of organ donation has also received a fresh impetus. Organ donation is a fundamental concept in medical treatment. A recent survey on organ donation has indicated that approximately 90% of the UK population is in favour of organ donation. However, out of thos...

background: the blood donation proportion of women to men is 1 to 9 in iran. lack of time, fear of needling and difficult access to donation sites were main reasons for not donating blood in previous studies. the aim of this study was to assess barriers of blood donation by women working in tehran blood transfusion center. methods: to achieve the aim of this study we designed a qualitative rese...

The authors explored common beliefs and preferences for posthumous and living organ donation in Australia where organ donation rates are low and little research exists. Content analysis of discussions revealed the advantage of prolonging/saving life whereas disadvantages differed according to donation context. A range of people/groups perceived to approve and disapprove of donation were identif...

Accessory sperm number and its relationship to fertilization and embryo quality was evaluated in cattle after nonsurgical recovery of ova or embryos 6 d after insemination. Efforts to alter accessory sperm number per ovum included 1) blockage of retrograde sperm loss at insemination using a modified insemination device, 2) elevated sperm number per inseminate (40 x 10(6) vs 20 x 10(6], and 3) a...