There are still only two types of gametes, and a body may produce only one. Infertility and other disorders don’t change that fact, and your linked material says nothing to contradict this.
> Histology of his removed ovary suggested that ovulation had, at some time, occurred. He had also fathered a child and this is believed to be the first case of a cytogenetically proved true hermaphrodite who is fertile as a male.
That's a single human body that produced both forms of gamete.
So, which is this individual, who produces both forms of gametes?
Am I, with no gametes, a null?