Menstrual Cycle

healthcare

Ovulation and menstruation can return while breastfeeding, but patterns vary widely. Some people resume cycles months after birth, others only after weaning. Lactation suppresse...

wellness

The position, texture, and openness of your cervix change across your menstrual cycle in ways you can learn to notice. These cervical stages during cycle reflect normal, predict...

Relationships

For many people who breastfeed, changes in the menstrual cycle are among the earliest noticeable postpartum shifts. Lactation influences hormone levels, especially prolactin, wh...

Health

The uterine lining, also called the endometrium, is the inner tissue layer of the uterus that thickens each month in preparation for a possible pregnancy. If pregnancy does not...

human-sciences

The endometrium thickens primarily to prepare the uterus for a possible pregnancy. Each month, rising estrogen after menstrual bleeding prompts the glands and blood vessels in t...

medical-explainer

The progesterone challenge test is an office-based evaluation for amenorrhea, the absence of menstrual periods. It involves giving a course of synthetic progesterone, most commo...

hormones-and-endocrine

Progesterone and estradiol are two key sex steroids that coordinate reproductive function, menstrual cycle patterns, and broader physiological regulation. Estradiol, a primary f...

Relationships

Vaginal pH is a measure of how acidic or alkaline your vagina is, typically ranging between about 3.8 and 4.5 in reproductive years when estrogen is present. This slightly acidi...

Health

The primary female hormones are estrogen and progesterone. These hormones are produced mainly in the ovaries and play central roles in regulating the menstrual cycle, supporting...

Health

Ovulation is the release of a mature egg from the ovary, usually midway through the menstrual cycle. Around this time, some people notice new or changing symptoms, including low...