The pelvic cavity increases most in size during pregnancy
The womb.
Coelom and Peritoneal cavity
It initializes the pregnancy by supplying one half the needed DNA.
What hormones could be implicated in failing to maintain the pregnancy during the first trimester?
No, but I have heard that it can reduce indigestion and nausea during pregnancy and it can aid in inducing labor!
NOTHING
Increased sneezing during pregnancy is very common. Mucus increases during pregnancy, not just in your cervix!
It means that the baby is facing the mothers pelvis during pregnancy or labor.
Drinking alcohol during pregnancy often results in birth defects in the baby.
Pregnancy increases the sensitivity of the bile ducts to estrogen, and cholestasis often develops during the second and third trimesters of pregnancy
Starting in very early pregnancy, progesterone and hCG levels rise. Later estrogen takes over.
Most women have some degree of impaired glucose intolerance as a result of hormonal changes that occur during pregnancy. During the later part of pregnancy (the third trimester), these hormonal changes place pregnant woman at risk for gestational diabetes.
No, Down syndrome is a genetic disorder, and occurs because of the presence of an extra chromosome, not due to smoking. The chances of a women giving birth to a Down syndrome baby increases with age.
I do not know if it is "safer" but it is all good to have intercourse during pregnancy. In fact a womans libido usually increases during pregnancy (which I am sure your husband will find to be a nice change!) . Also, orgasms release a hormone that can actually help headaches and fatigue so go for it!
About one-third of infants whose mothers contract fifth disease during pregnancy show signs of infection at birth.
All of the babies waste is removed from its body through the umbilical cord.
For female children of mothers who took DES during pregnancy: You have a higher risk of vaginal cancer; you have a higher risk of breast cancer; you have a higher risk of infertility; you have a higher risk of premature births; and, you have a higher risk of autoimmune diseases. For male children of mothers who took DES during pregnancy: You have a higher risk of hypospadias; you may have a higher risk of testicular cancer; and, you seem to have a higher risk to be trangendered.
No. A pregnant woman should never consume alcohol.Drinking any type of alcohol in any amount during pregnancy drastically increases the chance of FAS (fetal alcohol syndrome). No alcohol should be consumed during pregnancy.