How Long Does LH Surge Last?
If you and your partner are planning to begin a family, the optimal time to conceive would be when you are ovulating – a process when your ovary releases an egg. This physiological event occurs when a hormone called luteinizing hormone (LH) from the pituitary gland suddenly increases and is released into your bloodstream, triggering your ovary to release an egg.
How long does LH surge last? How do couples know when the best time is to have intercourse? These are questions you may ask a doctor when you want to increase your chances of beginning a family.
Part 1: How Does LH Surge Work?
What is the LH surge?
A sudden rush of luteinizing hormone from the brain (LH surge) signals the ovary that a mature egg (follicle)…show more content… Using an ovulation kit around noon time helps predict this period, which yields a positive result. However, some women have irregular cycles and negative results are often seen when this ovulation kit is used. Consultation with a doctor may be needed to help find out the timing of their LH surge.
Why is the LH Surge Important?
A positive LH surge result signals that a woman can ovulate within 12 to 24 hours. Therefore, a couple can time their intercourse on the day when the LH surge occurs, and the day after, to ensure that the egg is exposed to sperms on this “window of opportunity,” which means that fertilization is likely to occur.
Part 2: How Long Does LH Surge Last?
Ovulation, which occurs after the LH surge, can be detected by a test. The ovulation test is an easy test that requires a woman to urinate on a stick beginning on the 10th day of her menstrual cycle. She continues to do this daily until she gets a positive result, which means that the LH levels have increased. If sexual intercourse occurs during the next 36 hours, the possibility of conception is increased. But how long does the LH surge last? It may last from 12 to 24 hours, but you have to do the test around mid-afternoon to get the best chance of catching the LH