Do you need to have blood test to diagnose menopause? Gynaecologist Vikram Talaulikar gives you a guide.   When you sit down with your GP and tell them you’re feeling irritable, waking in a pool of sweat every night or feeling like you’re lacking in energy, they may think you’re on the path to menopause. The first thing they might do is ask you to have a blood test to establish your hormone levels, in particular oestrogen and follicle stimulating hormone (FSH). These days though it’s not considered necessary unless the GP has reason to believe there are other underlying…