You need to see a gynecologist for your follow-up on the early pregnancy. If you are pregnant, only a professional who is knowledgeable in the proper management of pregnancy can offer you the required tips and care for a healthy pregnancy. 

The presence of nausea, headache, and dizziness as symptoms can be linked to diseases such as tumor formation. These complaints can also be indicative of other conditions than primary hypothyroidism. Seeing a neurologist is important in this regard to rule out the possible causes of the symptoms and receive the required treatment.

For 6 or more days you may have irregular and heavy periods as a symptom of some other underlying health conditions including hormonal disbalance, polycystic ovary syndrome (PCOS), or fibroids. It is imperative to consult a gynecologist for a full diagnosis and management plan.

For skin allergies, I advise the individual to see a dermatologist who could pinpoint his/her exact condition and give a relevant treatment. Non-prescription antihistamines can help with mild symptoms, but a person who is suffering from prolonged or very serious symptoms must seek medical help.

The different reasons behind the sexual problems of men are a result of both physical and psychological factors. Seeking the aid of such experts as a urologist or a sexologist is important to identify the root cause and overcome the problem.

This might be an early chain of reactions of skin inflammation. I believe that it takes the expertise of a dermatologist for a correct diagnosis. The expert can prescribe medications depending on the root of the migraine issue.

Wet dreams are a normal thing and are not probably leading to anything harmful. But if you prefer them, watch for a routine during sleep, do not read or watch sexual stimulants before bedtime, and keep practicing relaxation techniques. If the problem continues, a urologist or an andrologist must be consulted.

The 7 mm endometrial thickness can be chosen for the natural cycle embryo transfer. Moreover, it is necessary to have a consultation with the fertility specialist to confirm that the endometrium thickness is okay and its condition is suited for an embryo's implantation.

A nail pattern of a dark black line points to a condition of melanonychia. It can be attributed to trauma, drug influence, or very rarely malignant melanoma. It must be checked out by a dermatologist.

Some people are prone to discomfort, cramps, and pain when menstruating particularly during the first few cycles. If the pain is intensive and usually accompanied by heavy bleeding or any other symptoms, an appointment with a gynecologist will be highly advisable. 

It is common for women to feel fear or nervousness related to the onset of their menstrual cycle. It should be noted that there is a way to prevent such fears with the help of either a gynecologist or a mental health specialist. This requires you to visit a gynecologist for a checkup and to talk about any questions you may have.

If you test your ferritin levels and the result is low, then you may have low iron levels. You need to think about taking iron injections but remember to seek advice from a professional doctor before beginning any new supplementation regime. You can visit a hematologist or a gastroenterologist, depending on the kind of problem causing the low level of ferritin in your body.

I suggest that you visit a dermatologist who is capable of diagnosing the type and level of the fungal infection. The treatment plan will be based on the diagnosis. Prescription of the suitable antifungal medication will be done followed by advice on hygiene practices to prevent further infection. 

You should try to consult with a mental health professional if you are experiencing depression currently. Depression is curable, and a competent psychiatrist can assist you in preparing an individual plan. 

White patches on your genitals can be a sign of fungal infection or certain conditions like psoriasis or lichen planus. It is vital that you seek professional medical help from a dermatologist or a urologist to get properly diagnosed and treatments done.