Micelles. 1  In aqueous solution, molecules having both polar or charged groups and non polar regions (amphiphilic molecules) form aggregates called micelles. In a micelle, polar or ionic heads form an outer shell in contact with water, while non polar tails are sequestered in the interior.
Most infertility can be treated with conventional therapies, such as drug treatment (fertility drugs) to promote ovulation or surgery to repair problems with reproductive organs. 1  For men, the most common cause of infertility in the couple is with the sperm. 2  For women, the most common cause of infertility factor is an ovulation disorder.
Most couples who have unprotected sex at least twice per week are able to become pregnant within one year. If pregnancy does not occur after one year, the man and woman are diagnosed as having an infertility problem. Infertility can result from problems in the man, the woman or both partners. In some couples, no cause of infertility can be found. In other couples, more than one cause exists.