Hi Thank you for asking HCM I have gone through your query.You should get rid of anxiety and stress as they can be main culprits.You can do squeeze and stop technique.You can deviate your thought to something nonsexual when you about to near ejaculation.You can put on a condom or condom with anesthetic which will decrease the excessive stimulation on penis and there by premature ejaculation.As you like to have a child you can continue sex even second or third time which you get more time duration to ejaculate.Involving in more foreplay and fondling by your partner can give you further erections also.If all these not helping you can approach an urologist or sex therapist or Psychiatrist for behavioral therapy and medicinal management like antidepressants. Hope this may help you. Let me know if you have any further query.