Please suggest the Dx?

A 12 day old girl was born by CS to a primigravida, normotensive, no h/o drug use by mother. No h/o vaginal discharge, mothers hiv status was negative. Indication fr lscs was no progress and fetal distress. Baby was born healthy. Next day developed pustular lesions on skin and bil gynaecomastia with unilateral mastitis. Kindly opine. .. Any investigation to b done? Treatment?

A 25 day of female child complain by her mother breast enlargement from birth ,no pain and tenderness , fever, Good breastfeeding plz give your diagnosis and treatment

A 13 year old female having swollen nipples since 1 month associated with mild pain , what is the diagnosis and treatment?

20 days old female child sent for reference in surgery OPD. Condition ? Management?

A Boy of 14 years age having Unilateral enlargement of breast Rt.side since 2years,non-tender,fixed,non discharging.Now fixed in size.