How to detect Pregnancy at the earliest stage

Pregnancy Considered as one of the most precious and blessed events in a woman's life. Early detection is important for early life style modifications and medical checkups. On the other hand its also important in family planing and birth spacing in case of unexpected pregnancy.

1. Missed Period

In a healthy woman, having previous normal regular periods, is likely due to pregnancy until otherwise proved. Missed period may be confused with physiological & pathological conditions like,

Stress

Sudden change in weight

Polycystic ovarian syndrome

Cushing's syndrome

Hypothyrodism

Diabetes, Tuberculosis, malnutrition, etc...

2. Morning Sickness

May present as, 

Tendency to vomit on rising from the bed, 

loss of appetite or 

Vomiting.

Its not present in all pregnant women, its found in only 50% of cases. Usually appears following the missed period and doesn't usually continue beyond 3 months.

3. Breast Discomfort

A feeling of "Fullness" and "pricking" sensation.

Appears as early as 2nd month.

3. Frequent urination

More troublesome during first 2-3 months. Gradually disappears after 3rd month.

4.Feeling of fatigue

Early Detection testing for pregnancy.

Done by identifying hCG either in blood or urine. The time/duration needed for a positive result depends on the technique used. hCG appears in the blood earlier.

Blood (Serum) Tests.
1. IRMA (Immuno radiometric assay) ::
                               Detects 8 days after Conception.

2. ELISA (Enzyme linked immunosorbent Assay) ::
                               Detects 5 days before 1st missed period
3. RMA (Radioimmunoassay) ::
                               Detects 8 days after ovulation (25th day of cycle)

Urine Tests.
1. Home Pregnancy tests ::
               Detects usually on the fist day of missed period.








2. Latex test ::
              Detects 2 days after missed period
3. Direct latex agglutination test ::
              Detects 2 days after missed period

reference :

• http://www.articlesbase.com/health-articles/early-pregnancy-symptom-how-to-detect-
• pregnancy-by-yourself-181365.html
• http://www.ehow.com/how_4487735_detect-pregnancy-soon-after-conception.html
• http://wacky5.com/how-early-pregnancy-can-be-detected-by-pregnancy-tests.html