There are many different tests that can be done during pregnancy, starting from home pregnancy tests to let you know if you are pregnant, or not to tests done in the 3rd trimester to check the health of the fetus.

Home pregnancy tests detect the presence of the pregnancy hormone called human chorionic gonadotropin (hCG) in your urine. 

Other pregnancy or prenatal tests are done for many diferent purposes, especially when there are concerns for mother's or fetus' health.

1. Product Reviews

Reviews of TTC and pregnancy items ... read more »

Urinalysis - Testing The Urine During Pregnancy

One of the tests done routinely at each prenatal visit is the urine test or urinalysis which checks mostly for sugar, protein, blood, and leucocytes. ... read more »

Percentiles of Fetal Birth Weight

This table shows the percentiles of birthweights in grams by weeks of the pregnancy and gestational age. ... read more »

Pregnancy Plus

The best Prenatal Vitamins available ... read more »

What Is a Phantom hCG?

A positive blood pregnancy test without a pregnancy is also known as a 'false positive' test. There are many conditions which can give a phantom false positive hcg blood or urine pregnancy test. ... read more »

False Positive Pregnancy Test Result and Phantom HCG

A false positive hCG pregnancy test, or a positive hCG test when you are not actually pregnant rarely happens, but if it does, it can be seen both by blood and urine tests. ... read more »

Cell-Free DNA Blood Test

Cell-free fetal DNA testing is a new screening test where a sample of the woman's blood is taken after 10 weeks of the pregnancy. It is a "non-invasive" test which requires only a blood test. ... read more »

Contraction Stress Test or Oxytocin Challenge Test

A stress test, also known as a "contraction stress test," involves hospital admission and induction of contractions to determine fetal health. ... read more »

First Trimester Screen Test — Nuchal Translucency

The first-trimester screening also known as nuchal translucency screening, or NT, is a prenatal test, ultrasound and a blood test that can help determine the likelihood of having Down's Syndrome. ... read more »

Normal hCG Levels in Early Pregnancy

During pregnancy, hCG levels have clear patterns. Find out more about hCG and use our free hCG calculator. ... read more »

When Does a Home Pregnancy Test (HPT) Become Positive?

When does a home pregnancy test (HPT) become positive? ... read more »

Positive Pregnancy Test After Ovulation

When does the HPT become positive? ... read more »

Kim Kardashian Has a False Positive Pregnancy Test

In season 10 premiere of 'Keeping Up with The Kardashians,' we find out that Kim Kardashian is trying hard for another child. ... read more »

When Does the Urine Home Pregnancy Test Become Positive

A urine home pregnancy test HPT usually becomes positive within a week or so after implantation, or around the time of your expected menstrual period. ... read more »

Pregnancy Tests - Introduction

How does a pregnancy test work? Pregnancy tests work by detecting human chorionic gonadotropin (hCG) is a hormone found only in pregnant women. There are both urine and blood pregnancy tests (HPTs) ... read more »

How Do Early Pregnancy Tests Work?

Pregnancy tests detect the pregnancy hormone hCG or human chorionic gonadotropin. Early urine pregnancy tests are usually positive about 12-14 days after ovulation. ... read more »

Home Pregnancy Test - When Positive

When does the home pregnancy test become positive? ... read more »

What Does the Blood Pregnancy Test Reveal?

A pregnancy test is run by the obstetrician during the first office visit to confirm the presence of the hCG hormone and confirm the pregnancy. ... read more »

Blood Test for Blood Type and Rh Status And Antibody Screen

At your first prenatal visit, th doctor will do several blood tests such as your blood type, whether it's type O, A, B, or AB, and the Rh status, whether it's Rh-negative or Rh-positive. ... read more »

Common Tests During Pregnancy

One of the things you may not be expecting while you are expecting is the number, and variety, of tests you will undergo while pregnant. ... read more »

Tests Done Later in Pregnancy

There are many common tests done later in pregnancy. One of the most discussed by pregnant women is the glucose tolerance test and fetal testing. ... read more »

Gynecologic and Obstetric Ultrasound

Gynecologic and Obstetric Ultrasound is the use of high-frequency sound waves together with computer imaging to painlessly view the fetus and the pelvic organs. ... read more »

Two Different Test Results

What should I do if I get two different pregnancy test results? ... read more »

History of the Pregnancy Test

The early home pregnancy test is probably the most widely used test besides the hematocrit and hemoglobin, the blood test to measure red blood cells and iron levels that is part of the blood workup done regularly at doctors' offices. ... read more »

Positive Pregnancy Tests And Medications

Is it true that fertility medications such as Humegon, Pergonal, Repronex or Fertinex, Clomid, Serophene, Gonal-F, and Follistim can cause false-positive or false-negative results on HPTs (home pregnancy tests)? ... read more »

What Prenatal Tests Should I Have?

What prenatal tests should I have done? ... read more »

Better Prenatal Care with More Pregnancy Tests

Providing women who are having unprotected sex with a home pregnancy test could have a substantial impact on the health of potential newborns. ... read more »

Amniocentesis - Tests

What are the tests done on the amniotic fluid What are the tests done on the amniotic fluid The following tests can be done on the amniotic fluid: ... read more »

How Home Pregnancy Tests Work

How home pregnancy tests (HPTs) work. ... read more »

Pregnancy Tests - Consumer Reports

Consumer Reports 2003 Ratings for the best home pregnancy tests (HPT). ... read more »

HCG Drops In Early Pregnancy

hCG is the pregnancy hoirmone which is produced by the placenta as early as 3-4 days after implantation. ... read more »

HPT - How To

How do I do a home pregnancy test (HPT)? ... read more »

Doctor's Office vs. HPT

Which urine test is more accurate? ... read more »

Darker Line More hCG

Does it mean the hCG is increasing? ... read more »

New Test for Trisomy 21 Less Invasive

The age at which women are choosing to start a family is getting older and older. With increased age comes a greater risk of Down Syndrome (Trisomy 21) at birth. ... read more »

Top 5 Questions About Pregnancy Tests

Before jumping into a home pregnancy test or other form of pregnancy test, it is best to understand how they work and the best way to use them. ... read more »

Multiple Marker - Triple or Quadruple Screen

The multiple marker test (sometimes referred to as the triple screen) can tell you if your baby is at an increased risk of having certain birth defects and genetic abnormalities. ... read more »

Fetal Testing and Monitoring

Fetal testing and monitoring are done to ensure that a fetus is healthy and growing at an acceptable rate. Fetal tests can help detect potential and actual problems. This gives the doctors an opportunity to treat the problem before it further develops, if at all possible. ... read more »

Determination of the Gestational Age During Pregnancy

Doctors use various methods to determine gestational age of a pregnancy.The most common test is the ultrasound, which measures the size of the gestational sac and the length between crown and rump. ... read more »

Prenatal Pregnancy Tests

Once you get that positive result and know you're pregnant, you want the right tests and assurances about the health of you and your unborn child. That's where prenatal testing comes in. ... read more »

How to Take a Home Pregnancy Test

It might seem simple, but there can be many factors influencing the accuracy of your urine home pregnancy test. Learn how to improve the accuracy of your urine pregnancy test. ... read more »

Home Pregnancy Tests: All Your Questions Answered

Taking a pregnancy test can be nerve-wracking ... and filled with questions! Here's everything you've always wanted to know about home pregnancy tests! ... read more »

When Is the Blood hCG Pregnancy Test Positive?

A blood pregnancy test usually becomes positive within 3-4 days after implantation, or several days before your expected menstrual period, when  hCG levels have reached a high enough level. ... read more »

Search the Literature

Find published articles ... read more »

Crown Rump Length Chart: Fetal Ultrasound Measurements

The fetal crown rump length (CRL) is the measurement between the top of the head to the area above where the legs begin. ... read more »

hCG not doubling

My hCG is not doubling, what's wrong ... read more »

Is The Pregnancy Test 99 Percent Accurate?

What does it mean when manufacturers claim their home pregnancy test HPT is 99% accurate? ... read more »

Twins When HCG Increasing Too Fast

In most pregnancies, the normal hCG rises is at least 60% over 48 hours. In twins it may rise much more, but  it's not possible to diagnose a twin pregnancy just from the hCG levels alone. ... read more »

How Soon Can I Take a Pregnancy Test?

Most current pregnancy test kits (sensitivity 25 mIU/ml) detect hCG in the urine as early as 3-4 days after implantation, though it often takes longer. ... read more »

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