Hi Halfwit, Its known that testosterone elevation suppresses LH and FSH, leading to loss of sperm production. This was even tried as the male contraceptive pill in the 60s. However, some patients were completely refractory to the effect and never showed the contraceptive effects. So, its pretty complicated, some patients show complete loss of sperm production, and others are not affected. There are many research studies on this, and here is a line form a recent paper:
"Initial studies showed that longterm treatments with testosterone esters, even at high doses, induce azoospermia in only a proportion of subjects with notable differences between ethnic groups (World Health Organization Task Force, 1990; Handelsman et al., 1992; Sundaram et al., 1993; Behre et al., 1995)"
An investigation of the effectiveness of testoste... [Hum Reprod. 2003] - PubMed - NCBI
But, your story about having a daughter is awesome and cracked me up.......avoid being picked up! The boys are after my daughter as well!