Question: A 24-year-old man with hypogonadism of hypothalamic origin secondary to operated craniopharyngioma, undergoing intramuscular treatment with testosterone undecanoate every 12 weeks, which is referred to us from another center for follow-up. The patient interrogates us in the initial visit about the follow-up of his basic pathology, possible adverse events of the hormonal treatment and probabilities of having offspring in the future. Which of the following statements is NOT correct? 
 Options:  <1> Serum testosterone levels should be measured just before each subsequent injection. <2> The goal of treatment is to maintain serum testosterone concentrations in the normal range of normality. <3> It is indicated to check the hematocrit on an annual basis. <4> Treatment with intramuscular testosterone for a prolonged period will increase the chances of conception with your partner. <5> The treatment with testosterone does not require the monitoring of luteinizing hormone concentrations.
4