In january , a study by fertility experts found that a drastic lack of sperm donors meant women wanting babies were resorting to importing semen from abroad or using do-it-yourself insemination kits bought on the internet .
Moreover , such a microbicide , as it is known technically , might simultaneously protect against the virus that causes aids , but permit insemination , and thus eliminate objections from both putative parents and some religious authorities to the use of contraceptives to avoid infection .
The twins are the product of artificial insemination .
这对双胞胎是人工授精的产物。
Artificial insemination is tricky , too .
人工授精也很棘手。
After three failed rounds of intrauterine insemination ( iui ) , in which my husband 's sperm was implanted in my uterus via catheter , we find a different doctor .