What are the four phases of the menstrual cycle. -menses (period): uterine lining sheds; days 1-5 -proliferative phase:epithelial cells reproduce; day 6-18 - ovulation: egg released from the ovary; day 14 -secretory phase: uterine lining grows thicker and prepares for fertilized egg (days 15-28)
1 Carrying the baby high signals a girl, while carrying low means it's a boy. 2  In reality, the appearance of a pregnant woman varies widely, depending upon her body type and the stage of pregnancy.
Physical Symptoms of Twin Pregnancies. Most of the common first signs of twin pregnancy vary little from the first signs of a singleton pregnancy. The main difference is usually the impact or intensity of the pregnancy symptoms. Your symptoms may be exaggerated because a woman carrying twins produces more pregnancy hormones than a woman carrying one baby.