1 Use moderate intensity, which is sufficient to improve cardiovascular fitness, muscle strenght and flexibility. 2  Perform exercises regularly: cardiovascular exercise: 3 to 5 times per week, strenght training: 2 to 3 times per week.
The pregnancy starts from the first day of her last menstrual period. Normally 2 weeks before ovulation. An ultrasound is the most accurate way to determine pregnancy dates. So yes, she can be 6 weeks and 3 days pregnant even though you only met 5 weeks ago because two of those weeks were before conception.
2013). The authors found that the most accurate time to perform an ultrasound to determine the gestational age was 11-14 weeks. About 68% of women gave birth Â±11 days of their estimated due date as calculated by ultrasound at 11-14 weeks.This was a more accurate result than any of the other ultrasound scans, and more accurate than the LMP. The accuracy of the ultrasound saw a significant decline starting at about 20 weeks.013). The authors found that the most accurate time to perform an ultrasound to determine the gestational age was 11-14 weeks. About 68% of women gave birth Â±11 days of their estimated due date as calculated by ultrasound at 11-14 weeks.