Progestin is a form of progesteronea hormone that plays a role in the menstrual cycle and pregnancy. Progestin is used in combination with another hormone called estrogen in combined hormonal birth control pills, the vaginal ring, and the skin patch. It also can be used by itself in progestin-only pills and the birth control injection.
Breakthrough bleeding BTB is any of various forms of vaginal bleeding usually referring to mid-cycle bleeding in users of combined oral contraceptives as attributed to insufficient estrogens. Sometimes, breakthrough bleeding is classified as abnormal and thereby as a form of metrorrhagia and sometimes it is classified as not abnormal. In the context of hemophiliathe term describes a bleeding that occurs while a patient is on prophylaxis.
Barrier methods cannot cause abortion; hormonal methods are less certain. Others rely on hormones to prevent ovulation and restrict implantation—at least in theory. Whether or not hormonal birth control can cause an abortion is the subject of much debate.
Most women will use birth control pills at some time in their lives. Birth control pills are made of synthetic laboratory derived versions of the two ovarian hormones: progesterone and estradiol. Also, birth control pills can contain synthetic forms of both hormones or progesterone progestin only.
The Uterus, which carries the fetus in females throughout the pregnancy, it has three layers — innermost, middle and outer layer. The innermost layer of the uterus is called Endometrium. A thick and salutary Endometrium is crucial for normal menstrual cycle and successful pregnancy.
The oral contraceptive pill, also known as birth control pill, is suitable for most healthy women, regardless of age, and can be used long-term. There are two kinds of oral contraceptives, the combined oral contraceptive COCwhich contains both estrogen and progestin, and the progestin-only contraceptive POP. The Pill is available at pharmacies but requires a prescription.
Abnormal uterine bleeding AUB is a common problem for women of all ages, accounting for up to one-third of gynecologic office visits. The two main types are heavy bleeding that occurs at an appropriate or expected time, such as a heavy menstrual period menorrhagiaand any type of bleeding that occurs unexpectedly metrorrhagia. The absence of regular menstrual periods for several months amenorrhea is also considered an abnormal bleeding pattern.
Abnormal uterine bleeding is any heavy or unusual bleeding from the uterus through your vagina. It can occur at any time during your monthly cycle, including during your normal menstrual period. Vaginal bleeding between periods is one symptom of abnormal uterine bleeding. Having extremely heavy bleeding during your period can also be considered abnormal uterine bleeding.