All women received standard obstetric care, and ferrous sulphate was prescribed for those who developed anemia. RESULTS: Anemia developed in 45 (10.3%) of the remaining 437 women. [ncbi.nlm.nih.gov]

[…] complicating pregnancy, childbirth and the puerperium O99.01 Anemia complicating pregnancy O99.013 …… third trimester O99.019 …… unspecified trimester O99.02 Anemia complicating childbirth O99.03 Anemia complicating the puerperium O99.1 Other diseases [icd10data.com]

Many pregnant women will experience some degree of anemia. While mild anemia can make you feel tired and weak, more severe anemia in a pregnant woman can cause a fetus to receive too little oxygen to support normal development. [labtestsonline.org]

Too little weight gain places the infant at risk for interuterine growth restriction and the mother at risk for anemia, nutritional deficiencies, and osteoporosis. [emedicinehealth.com]

Third Trimester Ultrasound Routine procedures carried out at these visits include checking for anemia, group B strep infection, high blood pressure and any abnormalities in blood glucose levels [7]. [pregmed.org]

congestion or stuffiness shortness of breath – this may worsen as your uterus keeps expanding, it may then improve as your baby moves deeper into your pelvis to get into the birthing position backaches – as your belly continues to grow and your pregnancy [medbroadcast.com]

Snoring Many pregnant women start snoring because of nasal congestion, and the increase in abdominal girth and the uterus pressing on the diaphragm. [sleepfoundation.org]

More from Smart Parenting Nasal congestion Increased blood flow to the mucous membranes, which may cause swelling, congestion, and sometimes snoring and nosebleeds, too. Humidifiers for the home can help, as well as a saline solution. [smartparenting.com.ph]

This is sometimes called the mask of pregnancy (melasma, or Chloasma facies). Numb or tingling hands ( carpal tunnel syndrome ) Itching on the abdomen, palms, and soles of the feet. [onhealth.com]

During the third trimester you may experience a nipple discharge known as colostrum. This is your body’s way of preparing for breastfeeding. [pregnancycorner.com]

Constipation Your enlarging uterus and its growing occupant seem to push your intestines aside, contributing to constipation. [askdrsears.com]

Symptoms are caused by reflux of food or acidic fluid from your stomach to esophagus because of: Relaxation of the muscle sphincter between the two organs Pressure of the enlarged uterus on your stomach Nausea and other symptoms might be more bothersome [pregnancy.lovetoknow.com]

Lockwood tells me that there is a three-part cause: change in posture induced by pregnancy ( lordosis ) which stretches the nerve, increased pelvic pressure (from the fetal head, enlarging uterus, et cetera), and an actual change in the pelvic bone alignment [health.com]