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Finasteride, when given in high oral doses to pregnant monkeys, caused genital abnormalities in male fetuses, but not in female fetuses or those exposed to intravenous finasteride.

Mice healed without scars as fetuses but developed scars as adults, suggesting scarless healing might be replicated with further research.

5alpha-reductase 2 is crucial for proper male brain development and sexual differentiation.

Keratin 2e shows a unique pattern in developing fetal skin, different from other keratins.

Hypospadiac rats showed abnormal genital development, useful for studying human hypospadias.

Female guinea pigs exposed to less allopregnanolone before birth showed more anxiety-like behavior.

Human prenatal skin develops an immune network early on that helps with skin formation and healing without scarring.

Laminin, type IV collagen, and fibronectin help develop skin and hair structures in embryos.

Lanugo hair develops earlier on the back than the front of human fetuses.

Fetal death was caused by umbilical cord stricture with hair growth in the Wharton jelly.

A pregnant woman with Werner's syndrome died during childbirth, but her baby survived and did not have the syndrome.

Premature infants have less elastic hair than full-term infants.

A new EDA gene variant causes X-linked hypohidrotic ectodermal dysplasia in a Chinese family.

Self-monitoring blood pressure in pregnant women didn't improve outcomes, diabetes drugs may increase gallbladder disease risk, a new drug helps severe hair loss, a plant-based COVID-19 vaccine is 69.5% effective, and new anticoagulants are safer for diabetics with heart rhythm issues than warfarin.

EGF and EGFR are important for goat skin development, increasing from weeks 6 to 21.

The mouse model shows potential for understanding and improving scarless wound healing, and Wnt-4 and TGF-β1 play a role in wound healing and scar formation.

Finasteride causes reproductive malformations in male rats.

Merkel cells develop independently of nerves and are linked to specific hair follicles in mice.

Blocking a specific enzyme in male rat fetuses leads to the development of nipples and feminized genitalia.

Blood tests confirmed a baby in the womb had a CMV infection.

Prenatal diagnosis of trichothiodystrophy is possible in the second trimester using fetal eyebrow biopsy, with sulfur content analysis being more reliable.

Too much zinc in the diet can cause hair loss and color change in young mice by reducing copper in the body.

Human melanocytes have unique traits that affect melanoma development and prognosis.

The U.S. has a high rate of preterm births, needing better solutions and understanding.

Neurosteroids play a key role in controlling the brain-adrenal gland activity in pregnant sheep, both in normal and stressful situations.

Most pregnant women in Northeast India experience normal skin changes, with specific pregnancy-related skin conditions being rare.

A newborn girl had a rare case of salivary gland tissue on her chest, which was safely removed.

Prenatal retinoic acid exposure did not affect mouse vibrissal follicle development.

Pregnancy can trigger follicular mucinosis, which may resolve after delivery.

The conclusion is that normal trace element levels in newborn calves' hair are between the 25th and 75th percentiles, and levels outside this may indicate diselementosis.