Dr. Jo Merriwether Knatz MD

Recommended Articles

• How Long Can Sperm Live?

  Introduction An average man ejaculates 1/2 teaspoon to 1 teaspoon of semen. This small amount of semen contains millions of sperm cells. It only takes one sperm to fertilize an egg, but each sperm has a limited life span, which begins once it leaves a man's body.For a couple trying to have a baby,...

• What to Expect After a Biopsy

  Biopsies may vary differently depending on the type and location of the tissues and how hard are they to obtain. The medical term used to describe such method is “invasiveness.” A less invasive procedure will, for example, take place in a doctor’s office the same day an abnormal tissue is...

• Moms With Asthma Can Breastfeed Their Babies Without Worry

  According to a new study, moms with asthma can breast feed their babies, as this practice may not increase the risk of asthma in children. In this study, the researchers followed up babies until they are 12-years-old with the aim of assessing the impact of breastfeeding in the development of lungs....

• Sleep Positioners May Increase a Baby's Risk of Death

  A warning has been issued by the FDA and the Consumer Product Safety Commission (CPSC) against the use of sleep-positioning devices for babies. About 12 deaths have been reported with the use of these devices in the last 13 years.FDA principal deputy commissioner, Joshua Sharfstein, reported that...

• What Happens if I Miss My Baby's Due Date?

  An overdue pregnancy is a pregnancy that continues for more than 42 weeks. Overdue pregnancy is also referred to as post-term or prolonged pregnancy. The cause of overdue pregnancy is still not known. There are cases where it’s because of genetic predisposition. Recurrence of overdue pregnancy is...

• What Are the Causes and Symptoms of Peritoneal Cancer?

  Peritoneum refers to the thin tissue lining of the abdominal cavity that protects the organs within the cavity. Fluid produced by the peritoneal tissue keeps the organs moist and allows smooth movement of the organs within the cavity. This epithelial tissue lining covers multiple organs, like...