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.
Notes References. 1  This calculator gives you many options for estimating gestation and delivery dates. 2  EDC by LMP is calculated by adding 280 days (40 weeks) to the first day of the last menstrual period.  Gestation by LMP is calculated from the first day of the last menstrual period.