Lesser activities have included trials of spermicidal preparations of various kinds and later of intra-uterine contraceptive devices.
Lactic acid preparations have also been shown to have some spermicidal effect, and commercial lactic acid-based spermicides are available.
The book included a spermicidal method which he invented.
Active secondary spermicidal ingredients can include octoxynol-9, benzalkonium chloride and menfegol.
This selection expanded by 1991 to include spermicidal jelly and sponges.
The bladder irritation was thought to be caused by the spermicidal detergent nonoxynol-9.
With literature research, the spermicidal properties of the compound should not have negative effects on the lining of the vas deferens.
One study found that spermicidal jelly and creme used in a diaphragm retained its full spermicidal activity for twelve hours after placement of the diaphragm.
