Search results
Results from the WOW.Com Content Network
Amenorrhea or amenorrhoea is the absence of a menstrual period in a female who has reached reproductive age. [1] Physiological states of amenorrhoea are seen, most commonly, during pregnancy and lactation (breastfeeding). [1] Outside the reproductive years, there is absence of menses during childhood and after menopause.
Leading cause of death in 15 to 19 year old females, 2018. [3] Teenage pregnancy, also known as adolescent pregnancy, is pregnancy in a female under the age of 20. Worldwide, pregnancy complications are the leading cause of death for women and girls 15 to 19 years old. [3] The definition of teenage pregnancy includes those who are legally ...
Teen births, aged 15–19, per 1,000 people by state, 2015. Teenage pregnancy in the United States occurs mostly unintentionally [1] and out of wedlock [2][3] but has been declining almost continuously since the 1990s. [1][4][5] In 2022, the teenage birth rate fell to 13.5 per 1,000 girls aged 15 to 19, the lowest on record. [6]
Menstrual cycle The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that makes pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone. The uterine cycle governs the preparation and maintenance of the lining of the ...
Elena Shlyapnikova/getty images. 1. You’ve Almost Hit Menopause. Women in perimenopause may have delayed menstrual periods due to a natural decline in ovarian function. “Perimenopause begins ...
Diagram illustrating how the uterus lining builds up and breaks down during the menstrual cycle Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterized by the rise and fall of hormones. Menstruation is triggered by falling progesterone ...
Signs and symptoms of early pregnancy may include missed periods, tender breasts, morning sickness (nausea and vomiting), hunger, implantation bleeding, and frequent urination. [1] Pregnancy may be confirmed with a pregnancy test. [7] Methods of birth control—or, more accurately, contraception—are used to avoid pregnancy.
According to a study conducted by Whitcome, et al., lumbar lordosis can increase from an angle of 32 degrees at 0% fetal mass (i.e. non-pregnant women or very early in pregnancy) to 50 degrees at 100% fetal mass (very late in pregnancy). Postpartum, the angle of the lordosis declines and can reach the angle prior to pregnancy.