-A curious adult from Great Britain April 5, 2012 Neither parent gets to decide. Almost everyone has around a 50% chance of having a man and a 50% chance of having a teen. What we can say is that man’s sperm determines whether a baby wi

Use these proven natural methods with high success rate to conceive a teen naturally. Now it’s time for you to get the baby teen you’ve always wanted

Sex of Baby. The man determines the sex of the baby. Females have XX chromosomes, that is, they can only give one X chromosome. But since males have XY chromosomes then men can either give the X or the Y chromosome.

Aug 10, 2011 · man or teen? New research finds that a simple blood test can answer that question for expectant parents at just seven weeks, significantly earlier than results from procedures like ultrasound and with less risk than invasive tests like amniocentesis, which can trigger miscarriage.

Listening to classical music may soothe your baby and turn her into a classical fan later in life, but it won’t make her smarter. Researchers at Appalachian State University believe that they’ve debunked what has been called the Mozart effect, a temporary increase in intelligence experienced after

Professor James J. McKenna’s Mother-Baby Behavioral Sleep Laboratory at Notre Dame studies how sleeping and co-sleeping environments affect mothers, breastfeeding, and infants’ physiological and psychological well-being and development.

The XY sex-determination system is the sex-determination system found in humans, most other mammals, some insects (), some snakes, and some plants ().In this system, the sex of an individual is determined by a pair of sex chromosomes.Females typically have two of the same kind of sex chromosome (XX), and are called the homogametic sex.Males typically have two different kinds of sex …

Females have an XX pair of sex chromosomes, and males, an XY pair. A baby’s gender is determined by the sperm cell that fertilizes a woman’s egg. Read more

Baby Mama is a 2008 American romantic comedy film written and directed by Michael McCullers in his directorial debut and starring Tina Fey, Amy Poehler, Greg Kinnear, Dax Shepard, Steve Martin, and Sigourney Weaver

Some women breeze through birth. Others find it excruciating. Know what to expect and how to find relief.