Dr. Jennifer H Johnston MD

Recommended Articles

• How Soon After Sex Can You Take a Pregnancy Test?

  A pregnancy test can provide an accurate result up to ten days after intercourse. If the test is done early, its accuracy is reduced. The standard time frame is 10 to 14 days following sexual intercourse. HCG is produced two weeks following conception or ovulation; therefore, a false result may be...

• What Are Fraternal Twins?

  Fraternal twins definitionFraternal twins are commonly known as "non-identical twins" and can be simply defined as siblings who share the same womb but with different amniotic sacs and placentas. Biologically, they are said to be "dizygotic" meaning two different sperm cells fertilized two...

• Can Vaginitis be Treated Over the Counter?

  The inflammation of the vagina is what is known as vaginitis. Infection is the leading cause in premenopausal women.  A low estrogen level after menopause mostly results in atrophic vaginitis (vaginal atrophy). You may get vaginitis due to hypersensitivity to an irritating chemical like...

• What Are the Causes of Cervical Cancer?

  Cervical cancer is a form of cancer that affects the cells in the cervix. It is also known to be the third most common cancer in females. It is a treatable condition if detected at its early stage. Cervical cancer is also the most common cancer type in females who are under 35 years old. There are...

• The Difference Between Gastric Bypass Surgery and Gastric Sleeve

  Weight loss surgeries, which are also collectively referred to as bariatric surgery are done when dietary and exercise treatment plans fail to work. More often, patients undergo this kind of surgery if their health is at risk due to their heavy weight. A bariatric operation can be done to obese...

• Possible Causes of Infertility

  It almost doesn't make evolutionary sense that a woman's body should have such a difficult time getting and staying pregnant. From the purely evolutionary standpoint, you would actually think the opposite: that a woman's body would make it very simple to get pregnant and to help the baby to safely...