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  1. 3 cze 2022 · Fetal development takes on new meaning in the second trimester. Highlights might include finding out your baby's sex and feeling your baby move. By Mayo Clinic Staff. As your pregnancy progresses, your baby might begin to seem more real. Two months ago, your baby was a cluster of cells.

  2. 3 cze 2022 · Week 33: Baby detects light. Fetal development 31 weeks after conception. Thirty-three weeks into your pregnancy, or 31 weeks after conception, your baby's pupils can change size in response to a stimulus caused by light. His or her bones are hardening. However, the skull remains soft and flexible.

  3. 8 sie 2020 · Although sleep pervades neonatal life, indeed, there were only 43 bouts of wakefulness across 175 infants, we demonstrate a developmental increase in wakefulness across the vulnerable preterm period, which occupied 15% of the time by full-term age.

  4. 21 lut 2023 · Use this timeline to learn what your baby's up to and how they're developing throughout pregnancy. Follow your baby's development week by week, from conception to labor, in these amazingly detailed, doctor-reviewed images. Your egg is fertilized 12 to 24 hours later if a sperm penetrates it.

  5. 15 cze 2022 · Side effects of changing formula. You may be worried that switching formulas will cause side effects, especially tummy-related ones, but the good news is that side effects are uncommon (and any that do pop up should be pretty temporary, resolving within a few days).

  6. 3 maj 2022 · We’ll talk about appropriate sleep routines for infants, and why sleep training for a baby and trying to get them to sleep through the night by 12 weeks of age probably isn’t the healthiest thing for your baby, and probably isn’t a realistic goal.

  7. The fetal stage of development begins around the ninth week and lasts until birth. This is when the embryo officially turns into a fetus. The fetus gets its assigned sex around nine weeks of pregnancy, although your healthcare provider can’t detect it on ultrasound yet.