Once a positive is seen, there is no need to test on subsequent days. It is important to remember that ovulation may not occur after an LH surge. Stress, illness, travel, and other causes may delay ovulation. You can only be certain that ovulation has occurred once the thermal shift is seen. Yes, although it doesn t have to be prescription prenatal vitamins.
Folic acid is crucial to prevent neural tube defects in the developing embryo.
The neural tube is formed at a time when most women do not even realize they are pregnant, so it is a good idea to be taking supplements as soon as possible, preferably beginning up to 3 months before TTC . Yes, it is possible to ovulate twice but it will occur within 24 hours of each other. Some experts suggest BD the day of your thermal shift in case a second ovulation has occurred. To improve your chances for conceiving a girl, you should BD a 4 to 2 days prior to ovulation, and abstain two days before and day of ovulation. This will allow the slower, longer-lived, female sperm to be ready for fertilization when ovulation does occur.