Search results
Results From The WOW.Com Content Network
[5] [6] Heavy vaginal bleeding in the first trimester or bleeding associated with pain, may be a sign of a complication, such as a miscarriage or an ectopic pregnancy, that would need to be assessed by a healthcare provider. [7]
Overall, the systolic and diastolic blood pressure drops 10–15 mm Hg in the first trimester and then returns to baseline in the second half of pregnancy. [6] All of these cardiovascular adaptations can lead to common complaints, such as palpitations, decreased exercise tolerance, and dizziness.
About 30% of women have bleeding in the first trimester (0 to 14 weeks gestational age). [1] [5] Bleeding in the second trimester (12 to 24 weeks gestational age) is less common. [6] About 15% of those who realize they are pregnant have a miscarriage. [1] Ectopic pregnancy occurs in under 2% of pregnancies. [1]
The third trimester is defined as starting, between the beginning of week 28 (27 weeks + 0 days of GA) [37] or beginning of week 29 (28 weeks + 0 days of GA). [4] It lasts until childbirth . Timeline of pregnancy, including (from top to bottom): Trimesters, embryo/fetus development, gestational age in weeks and months, viability and maturity stages
Breast tenderness during pregnancy is common, especially during the first trimester. By mid-pregnancy, the breast is physiologically capable of lactation and some women can express colostrum, a form of breast milk. [57] Pregnancy causes elevated levels of the hormone prolactin, which has a key role in the production of milk.
Besides placenta previa and placental abruption, uterine rupture can occur, which is a very serious condition leading to internal or external bleeding. Bleeding from the fetus is rare, but may occur with two conditions called vasa previa and velamentous umbilical cord insertion where the fetal blood vessels lie near the placental insertion site unprotected by Wharton's jelly of the cord. [11]
[7] [8] About 80% of miscarriages occur in the first 12 weeks of pregnancy (the first trimester). [1] The underlying cause in about half of cases involves chromosomal abnormalities. [5] [1] Diagnosis of a miscarriage may involve checking to see if the cervix is open or sealed, testing blood levels of human chorionic gonadotropin (hCG), and an ...
Noncyclical breast pain has various causes and is harder to diagnose and frequently the root cause is outside the breast. Some degree of non-cyclical breast tenderness can normally be present due to hormonal changes in puberty (both in girls and boys), in menopause and during pregnancy. [5] After pregnancy, breast pain can be caused by ...