First trimester bleeding
Encyclopedia
In obstetrics
, first trimester bleeding, is bleeding
from the vagina
during pregnancy
in the first trimester (0 weeks-12 weeks gestational age
).
It is a common occurrence and estimated to occur in approximately 25% of all (clinically recognized) pregnancies.
Mnemonic
: AGE IS Low (during first trimester)
Obstetrics
Obstetrics is the medical specialty dealing with the care of all women's reproductive tracts and their children during pregnancy , childbirth and the postnatal period...
, first trimester bleeding, is bleeding
Bleeding
Bleeding, technically known as hemorrhaging or haemorrhaging is the loss of blood or blood escape from the circulatory system...
from the vagina
Vagina
The vagina is a fibromuscular tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. Female insects and other invertebrates also have a vagina, which is the terminal part of the...
during pregnancy
Pregnancy
Pregnancy refers to the fertilization and development of one or more offspring, known as a fetus or embryo, in a woman's uterus. In a pregnancy, there can be multiple gestations, as in the case of twins or triplets...
in the first trimester (0 weeks-12 weeks gestational age
Gestational age
Gestational age relates to the age of an embryo or fetus . There is some ambiguity in how it is defined:*In embryology, gestational age is the time elapsed since conception. This interval is also termed fertilisation age....
).
It is a common occurrence and estimated to occur in approximately 25% of all (clinically recognized) pregnancies.
Differential diagnosis
- AbortionAbortionAbortion is defined as the termination of pregnancy by the removal or expulsion from the uterus of a fetus or embryo prior to viability. An abortion can occur spontaneously, in which case it is usually called a miscarriage, or it can be purposely induced...
(threatened, inevitable, complete, incomplete, missed, habitual, septic) - Gestational trophoblastic neoplasia
- Ectopic pregnancyEctopic pregnancyAn ectopic pregnancy, or eccysis , is a complication of pregnancy in which the embryo implants outside the uterine cavity. With rare exceptions, ectopic pregnancies are not viable. Furthermore, they are dangerous for the parent, since internal haemorrhage is a life threatening complication...
- Implantation bleeding
- Chorionic hematomaChorionic hematomaChorionic hematoma is the pooling of blood between the chorion, a membrane surrounding the embryo, and the uterine wall...
- Spotting
- Lower GU tract causes
- VaginalVaginaThe vagina is a fibromuscular tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. Female insects and other invertebrates also have a vagina, which is the terminal part of the...
bleed - CervicalCervixThe cervix is the lower, narrow portion of the uterus where it joins with the top end of the vagina. It is cylindrical or conical in shape and protrudes through the upper anterior vaginal wall...
bleed
- Vaginal
Mnemonic
Mnemonic
A mnemonic , or mnemonic device, is any learning technique that aids memory. To improve long term memory, mnemonic systems are used to make memorization easier. Commonly encountered mnemonics are often verbal, such as a very short poem or a special word used to help a person remember something,...
: AGE IS Low (during first trimester)