Methods that are available for male contraception, namely coitus interruptus, condoms, and vasectomy, have been used since the 19th century. With the exceptions of a few improvements of these methods, no major progress has been made with respect to introducing new male contraceptives since then. It is extremely urgent to develop new, safe, effective, and reversible male contraceptive methods. A...

Although masturbation is the standard method for the collection of a sperm sample, both for diagnostic and therapeutic purposes, other approaches have been described and assessed. Production of semen using specially designed condoms has been shown to result in samples with better laboratory characteristics than samples obtained after masturbation or coitus interruptus. However, this has not res...

OBJECTIVE To evaluate the motivators and barriers to the use of the combined oral contraceptive pill among Hong Kong women. METHODS The Family Planning Association of Hong Kong commissioned the ESDlife to launch an online survey and invited its female members aged 18 to 45 years who had used contraceptives in the past 12 months to participate in this survey. The online survey was posted on th...

Background: Until now the existing male contraceptive methods are periodic abstinence, interrupted intercourse (coitus interruptus), use of condoms, and vasectomy. Another alternative method contraception for men is hormone depot medroxyprogesterone acetate (DMPA) as has been done in female contraceptives. Research with DMPA at a dose 1.25 mg was effective reducing concentration viability sperm...

The combgap locus, first described by C. B. Bridges in 1925, is a gene required for proper anteroposterior pattern formation in the limbs of Drosophila melanogaster. The development of the anteroposterior axis of fly limbs is initiated by hedgehog signaling from cells of the posterior half to cells of the anterior half of the limb primordium. Hedgehog signaling requires the anterior-specific ex...

Islam has a general principle of increase in population. But the Muslims are equally obliged to take care of health, education and the provisions etc. for their offspring and wives in the best possible way. The Muslims would have to regulate and manage the number of children, if any situation affects their duties regarding their wives or children. Islam accomplishes permissibility of temporary ...