Week 14: Sign up for a prenatal-yoga class. Yoga can build strength for labor and help improve your flexibility, agility, balance and posture. You're probably also ready to start shopping for maternity clothes.
Week 15: Ask your doctor about the multiple marker test, which screens for chromosomal abnormalities, neural-tube and other defects; it's normally done between 15 and 20 weeks.
Week 16: Begin to think seriously about how you want your labor and delivery to play out. To get started, and to set up a birth plan, visit our Labor & Delivery Guide.
Week 17: Tell your employer you're pregnant if you haven't already done so. Be ready with a plan for your maternity leave as well as ideas about who will cover for you during your absence.
Week 18: Between weeks 14-20, your doctor may order an amniocentesis if you're 35 or older to screen for chromosomal/genetic disorders including Down syndrome and spina bifida.
Week 19: Decide whether or not you'd like to know your baby's sex. Many doctors do a detailed ultrasound between 16 and 20 weeks, at which time gender often can be determined.
Week 20: You're halfway there! Time to take a tour of your hospital's maternity ward.
Week 21: Though your due date sounds very far away, start reading up on baby care now. You won't have time after your newborn arrives.
Week 22: Think about whom you want present at your baby's birth, and begin discussing it with family.
Week 23: Sign up for a childbirth-education class, as they fill up quickly. Choose a session that you can complete before your 36th or 37th week.
Week 24: Start shopping for baby furniture and nursery accessories. (Leave painting and furniture-refinishing to others; fumes can pose a hazard.)
Week 25: Craving a babymoon? Do it now.
Week 26: Between weeks 26-28, a glucose screening is offered to all women to test for gestational diabetes.
Week 27: Look into child care if you'll be returning to work. Day care centers fill up fast, and nannies can be hard to come by.
Week 28: Your doctor or midwife will want to see you every two to three weeks starting at around week 28. Right now, you may want to think about getting a life insurance policy and a with a guardianship agreement.