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Implantation bleeding occurs between 7 and 14 days after fertilization, [57] and is a small amount of light vaginal bleeding or spotting that can occur in early pregnancy due to the blastocyst penetrating the lining of the uterus during implantation.
An increase in vaginal discharge is common during pregnancy due to hormonal changes. The discharge, known as leukorrhea, is usually thin and milky white. However, if the discharge changes color or consistency significantly, it is essential to consult a healthcare provider. [8]
Having intercourse or a vaginal examination can also disturb the mucus plug and cause a pregnant individuals to see some blood-tinged discharge, even when labor does not begin over the next few days. [1] A cervical mucus plug can allow for identification of an individual's ovulation cycle and serve as fertility indicator.
Normal vaginal discharge is clear, white, or off-white. [1] The consistency can range from milky to clumpy, and odor is typically mild to non-existent. [ 1 ] The majority of the discharge pools in the deepest portion of the vagina (the posterior fornix ) [ 3 ] and exits the body over the course of a day with the force of gravity.
“Most women or people with vaginas do have discharge from the vagina,” Dr. Alyssa Dweck, a New York-based gynecologist and co-author of The Complete A to Z for Your V, tells Yahoo Life. She ...
Image showing trophoblast differentiated into the two layers of cytotrophoblast and syncytiotrophoblast during implantation. It is the outer layer of the trophoblasts and actively invades the uterine wall, during implantation, rupturing maternal capillaries and thus establishing an interface between maternal blood and embryonic extracellular fluid, facilitating passive exchange of material ...
Decidualization is a process that results in significant changes to cells of the endometrium in preparation for, and during, pregnancy. This includes morphological and functional changes (the decidual reaction) to endometrial stromal cells (ESCs), the presence of decidual white blood cells (leukocytes), and vascular changes to maternal arteries.
The following are a few of the diseases that can occur and be present during the process. Polyspermy results from multiple sperm fertilizing an egg, leading to an offset number of chromosomes within the embryo. [35] Polyspermy, while physiologically possible in some species of vertebrates and invertebrates, is a lethal condition for the human ...