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.
But the most accurate way to date a pregnancy is via ultrasound measurement of the fetus's crown-to-rump length between eight and 12 weeks. Extreme fatigue is very common in the first trimester of pregnancy. Your metabolic rateâthe amount of energy you burn just to existâis way above normal then, explains Low.