Pregnancy Calculators

The Pregnancy Calculator can estimate the pregnancy schedule based on the due date. Your healthcare provider will tell you your due date, usually based on a sonograph, on your prenatal visit. If you do not know your due date, you can estimate it by using the Due Date Calculator based on your biological cycle.

Your Due Date:
 

Result

You are currently at week #40.

WeekDateTrimesterImportant Milestones
Week 1Aug 18, 2014 - Aug 24, 2014first
trimester
 
Week 2Aug 25, 2014 - Aug 31, 2014
Week 3Sep 1, 2014 - Sep 7, 2014
Week 4Sep 8, 2014 - Sep 14, 2014
Week 5Sep 15, 2014 - Sep 21, 2014
Week 6Sep 22, 2014 - Sep 28, 2014Heartbeat on the ultrasound
Week 7Sep 29, 2014 - Oct 5, 2014
Week 8Oct 6, 2014 - Oct 12, 2014 
Week 9Oct 13, 2014 - Oct 19, 2014
Week 10Oct 20, 2014 - Oct 26, 2014
Week 11Oct 27, 2014 - Nov 2, 2014
Week 12Nov 2, 2014 - Nov 8, 2014
Week 13Nov 9, 2014 - Nov 15, 2014
Week 14Nov 16, 2014 - Nov 22, 2014second
trimester
Week 15Nov 23, 2014 - Nov 29, 2014
Week 16Nov 30, 2014 - Dec 6, 2014
Week 17Dec 7, 2014 - Dec 13, 2014
Week 18Dec 14, 2014 - Dec 20, 2014Begin to feel the baby movement.
Expecting to find out the baby's
gender from 20th week.
Week 19Dec 21, 2014 - Dec 27, 2014
Week 20Dec 28, 2014 - Jan 3, 2015
Week 21Jan 4, 2015 - Jan 10, 2015
Week 22Jan 11, 2015 - Jan 17, 2015
Week 23Jan 18, 2015 - Jan 24, 2015 
Week 24Jan 25, 2015 - Jan 31, 2015
Week 25Feb 1, 2015 - Feb 7, 2015
Week 26Feb 8, 2015 - Feb 14, 2015
Week 27Feb 15, 2015 - Feb 21, 2015
Week 28Feb 22, 2015 - Feb 28, 2015third
trimester
Week 29Mar 1, 2015 - Mar 7, 2015
Week 30Mar 9, 2015 - Mar 15, 2015
Week 31Mar 16, 2015 - Mar 22, 2015
Week 32Mar 23, 2015 - Mar 29, 2015
Week 33Mar 30, 2015 - Apr 5, 2015
Week 34Apr 6, 2015 - Apr 12, 2015
Week 35Apr 13, 2015 - Apr 19, 2015
Week 36Apr 20, 2015 - Apr 26, 2015
Week 37Apr 27, 2015 - May 3, 2015
Week 38May 4, 2015 - May 10, 2015Full Term
Week 39May 11, 2015 - May 17, 2015
Week 40May 18, 2015 - May 24, 2015 (today)
Week 41May 25, 2015 - May 31, 2015
Week 42Jun 1, 2015 - Jun 7, 2015

The results of this pregnancy calculator are estimation based on average.


Related:ovulation calculator | conception calculator

Reference

Pregnancy is the time (usually nine months) during which a woman carries one or more offspring until delivery. Childbirth usually occurs about 38 weeks after the conception, or about 40 weeks after the last menstrual period. The World Health Organization defines the normal term to be 37 to 42 weeks. During your first OB/GYN doctor visit, the doctor will normally tell you the estimated childbirth date, or the "due date", mainly interpreted by a sonograph measurement. The actual length of pregnancy depends on various factors. For example, the first pregnancy tends to last longer than subsequent pregnancies. Fewer than 10% of births occur on the due date; 50% of births occur within a week of the due date, and almost 90% occur within two weeks of the due date. If you do not know your due date, you can use our Due Date Calculator to obtain an estimate. The 40 weeks of pregnancy is typically broken down into three periods, or trimesters, each consisting of about three months.

Pregnancy can be detected via pregnancy tests, which detect your hormone level. Clinical blood and urine tests can detect pregnancy from six to eight days after fertilization. Blood tests are more accurate. Home pregnancy tests are urine tests, which normally can detect pregnancy from 12 to 15 days after fertilization.

A balanced and nutritious diet is very important for both the mother and baby. Adequate periconceptional folic acid intake has been proven to limit fetal neural tube defects, which prevent spina bifida. DHA omega-3 is a major structural fatty acid essential for the brain and retina. It is important for the mother to take adequate amounts of DHA during pregnancy and while nursing.

Pregnancy is normally accompanied by weight gain, which is necessary in most situations. The amount of weight gain recommended during a single pregnancy varies among women. The Institute of Medicine recommends an overall pregnancy weight gain of 25 to 35 pounds for women with normal weight. Underweight women are recommended to gain 28 to 40 pounds. Overweight women should gain from 15 to 25 pounds, and obese women should gain 11 to 20 pounds. Use the Pregnancy Weight Gain Calculator to evaluate your specific situation.