Period cramps hurt because of a chemical called prostaglandin, according to the Cleveland Clinic. During the period, this chemical causes stronger uterine contractions. This, in turn, restricts the supply of oxygen to nearby blood vessels, causing pain.
There is no set age at which puberty begins or ends, but women are typically fully developed by their late teens, according to TeenHealthSource. Girls can begin to develop as early as 8 years old or as late as 14.
Fertilization occurs in the Fallopian tube. If the egg is not fertilized within 24 hours after it is released, it travels down to the uterus and is expelled during the menstrual period.
Dr. Larry Weinrauch of HealthCentral says that the normal heart rate for healthy women is between 60 and 80 after lying down for 30 minutes. For men, it is between 50 and 70.
According to Women's Health Queensland Wide, women can produce milk when they are not pregnant. Many things can cause milk production, such as certain medications and supplements, irritated nipples or disease.
According to the American Heart Association, heart attack warning symptoms for women include shortness of breath, pressure in the lower chest, extreme fatigue and back pressure. In certain cases, women do not experience the same heavy chest pressure as men do in the event of a heart attack, which in turn can cause them to ignore or disregard their symptoms as the flu or acid reflux.
An infection of the ovaries, fallopian tubes or uterus is called pelvic inflammatory disease, according to WebMD. Most often caused by sexually transmitted diseases such as chlamydia and gonorrhea, pelvic inflammatory disease is a leading cause of pelvic pain in women.
WebMD states that women stop growing in height around the end of puberty, which can be any age from 10 to 18 years. At the end of puberty, a girl's bones lose the ability to grow as the growth plates fuse.
The Mayo Clinic reports that the fetus develops a heart approximately 21 days following conception which begins to pump blood approximately 28 days after conception. The third and fourth weeks following conception. During this time, various facial features develop and the body begins to curve.
According to WebMD, a missed menstrual period commonly indicates pregnancy. If pregnancy isn't the cause, then it can be due to weight gain or loss, eating disorders, emotional stress, illness, increased exercise, travel, hormone problems, breastfeeding, birth control or illegal drug use.
In the third trimester, pregnant women often start producing colostrum, a thick, milky, yellow liquid that is the precursor to breast milk, explains La Leche League. Colostrum slowly changes into mature breast milk. The change becomes noticeable three to four days after giving birth if the mother chooses to breastfeed.
A doctor who delivers babies is called an obstetrician, according to the Encyclopaedia Britannica. Obstetrics is the medical specialty of caring for pregnant women. Before the 17th century, female midwives were responsible for delivering obstetrical care. By the 19th century, the field was well-established as a medical discipline.
WebMD explains that lightening in pregnancy is similar to the baby dropping during the third trimester. The baby settles or moves down further into the mother's pelvis.
To treat depression related to a woman's menstrual cycle, MedlinePlus recommends making healthy lifestyle changes to improve fitness and dietary habits, such as engaging in frequent physical activity and eating a diet full of fruits, vegetables and whole grains. Caffeine, alcohol, sugar and salt are all known to exacerbate symptoms related to depression. Patients may also seek professional psychological counseling or take antidepressants during the second half of their cycle.
According to TheFreeDictionary, placenta previa is a condition in which the placenta is abnormally placed and either partially or fully covers the cervix. With a normal pregnancy, the placenta is attached rather high up on the uterine wall either on the front or back.
In most cases, a pregnant woman's doctor is an obstetrician, according to the March of Dimes. An obstetrician is a physician who has specialized medical training in caring for women during pregnancy and childbirth as well as throughout the recovery process.
Twins can be born on different days, and it happens quite often. The phenomenon of one twin being born on one day and the other on the next day is generally the result of one child being born a few minutes before midnight with the sibling following minutes later — for instance, one baby is born at 11:58 p.m. and another is born at 12:01 a.m.
There are many reasons why a woman’s period might come early, including severe weight loss or gain, certain medications, metabolic syndromes, endocrine disorders, stress or the onset of perimenopause. Experts consulted by Health magazine recommend seeing a gynecologist within three months of a sudden period change to rule out underlying health problems that could require immediate treatment.
According to Boots WebMD, norethisterone is a prescription medication that can be taken to delay menstruation. Norethisterone is typically prescribed to females with irregular menstrual cycles, as it contains synthetic hormones that mimic female sex hormones and decrease the production of progestogen hormones.
According to the Office on Women's Health, the average woman has a period every 28 days. It's not uncommon for the time between periods to vary anywhere between 21 and 35 days.
Babies go toward the birth canal shortly before birth, which should be around a woman's due date, according to Women's Health. It's hard to say exactly when this will take place, but there are some signs that show labor is approaching.