Infertility may also refer to the state of a woman who is unable to carry a pregnancy to full term. In primary infertility, pregnancy has never occurred. In secondary infertility, one or both members of the couple have previously conceived, but are unable to conceive again after a full year of trying.
Infertility increases a man’s risk of prostate cancer – Infertile men have an increased risk of developing high grade prostate cancer, which is more likely to grow and spread quickly. That is the conclusion of a new study published early online in Cancer.
Study links reduced fertility to flame retardant exposure – Women with higher blood levels of PBDEs, a type of flame retardant commonly found in household consumer products, took longer to become pregnant compared with women who have lower PBDE levels.
Unnatural selection: Birth control pills may alter choice of partners – There is no doubt that modern contraception has enabled women to have unprecedented control over their own fertility. However, is it possible that the use of oral contraceptives is interfering with a woman’s ability to choose, compete for and retain her preferred mate?
New technique could save cancer patients’ fertility — Researchers grow immature human egg cells to nearly mature egg in laboratory. – Researchers have successfully grown a woman’s immature egg cells, contained in a tiny sac called a follicle, to a healthy and nearly mature egg in the laboratory. When an egg is fully mature, it is ready to be fertilized.
A substantial number of European patients travel to other countries for fertility treatment — Who goes abroad for fertility treatment and why? – Many European patients are travelling to other countries for fertility treatment, revealed by researchers at the 25th annual conference of the European Society of Human Reproduction and Embryology.
High levels of cycling training damage triathletes’ sperm – Cycling training may have a major impact on sperm morphology, as researchers have proved this fact in triathletes who have high intensity cycling training during thrie career.
Worldwide report shows increase in assisted reproduction: 250,000 babies (approximately) born in 1 year – Assisted reproductive technology (ART) is responsible for an estimated 219,000 to 246,000 babies born each year worldwide according to an international study.
Identification of genetic variants affecting age at menopause could help improve fertility treatment – For the first time, scientists have been able to identify genetic factors that influence the age at which natural menopause occurs in women. Ms Lisette Stolk, a researcher from Erasmus MC, Rotterdam, The Netherlands, told the annual conference of the European Society of Human Genetics that a greater understanding of the factors influencing age at menopause might eventually help to improve the clinical treatment of infertile women.
2 studies: The first finds twins born after fertility treatment have a higher risk of problems. A second study study finds reassuring evidence on the outcome of children born after embryo freezing. – Twins born as a result of assisted reproductive technology (ART) are more likely to be admitted to neonatal intensive care and to be hospitalised in their first three years of life than spontaneously conceived twins, according to new research in Europe’s leading reproductive medicine journal Human Reproduction.
Researchers identify key proteins needed for ovulation – study reveals essential step in female reproductive process. – Researchers from the National Institutes of Health and other institutions have identified in mice two proteins essential for ovulation to take place.
