Ovulation is triggered at the end of the follicular phase when the pituitary gland releases a surge of a hormone called luteinizing hormone (LH). While the egg is viable for around 24 hours after ovulation, the fertile window typically spans six to seven days. Why? Sperm can survive in the...
The lining of the uterus is thickened to prepare for a fertilized egg. If conceptiondoes not occur, the uterine lining is shed during themenstrual period. A woman’s most fertiledays occur in the window in which she is ovulating, and women who are trying to becomepregnantoften use ovulation...
A woman's most fertile stage is in her early 20s. From the age of 30 onwards, their reproductive capacity decreases, and a more sharp decline occurs from the age of 35 onwards. By the time a woman reaches the age of 40, fertility worsens drastically, which makes the chances ofgetting p...
Pregnancy tests look for elevated amounts of HCG. HCG levels rise rapidly -- doubling every few days during the first few weeks of pregnancy. The placenta produces HCG. Only pregnant people have a placenta, which forms shortly after a fertilized egg attaches to the wall of the uterus. When ...
Fertile means able to produce offspring under natural conditions. It is measured by the actual number of offspring born to a woman.What Is Fecundity? The field of reproductive medicine is a growing sector of health science and contains a myriad of scientific terms that are often misused or misc...
A woman's elaborate reproductive apparatus has a profound influence on her psyche. Each month she produces an egg and she is devoted to seeing that egg fertilized, then to giving birth and raising a child. On the other hand, a woman is the fertile ground for a man's spirit to grow. ...
A female's reproductive phase lasts from puberty until menopause. A fertile female has two regular cycles: the ovarian and the menstrual cycle. The ovarian cycle occurs in the ovary's cortex and the menstrual cycle is the uterus's endometrium. ...
The most obvious sign of infertility is that you're not getting pregnant after having unprotected sex during your fertile period. According to theAmerican College of Obstetricians and Gynecologists(ACOG),one in four healthy women in their 20s or 30s will get pregnant in any singlemenstrual cycle....
According to the Intersex Society of North America, a person who is born with a reproductive or sexual anatomy that doesn’t seem to fit the typical definitions of female or male would be considered intersex. (And just so you know, this accounts for nearly 1 in every 100 people, according...
What Makes Flossie Fertile? Can Egg Follicle Size Indicate Cow Fertility?Discusses the efforts of reproductive physiologist Tom Geary and professor Michael F. Smith to look for different physiological indicators of fertility in beef cows. Estrous cycle of a beef cow; Reason for the decreased ...